From 9ad8c97d889ab9b2039825ae3d9276424af942e5 Mon Sep 17 00:00:00 2001
From: Daniel Richards <daniel.richards@automattic.com>
Date: Thu, 11 Apr 2024 10:12:01 +0800
Subject: [PATCH 01/10] Fix inserter pattern pagination focus loss (#60620)

---
 .../src/components/block-patterns-paging/index.js             | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/block-editor/src/components/block-patterns-paging/index.js b/packages/block-editor/src/components/block-patterns-paging/index.js
index 76f99e24bf244f..2ad9ff3405e200 100644
--- a/packages/block-editor/src/components/block-patterns-paging/index.js
+++ b/packages/block-editor/src/components/block-patterns-paging/index.js
@@ -45,6 +45,7 @@ export default function Pagination( {
 							onClick={ () => changePage( 1 ) }
 							disabled={ currentPage === 1 }
 							aria-label={ __( 'First page' ) }
+							__experimentalIsFocusable
 						>
 							<span>«</span>
 						</Button>
@@ -53,6 +54,7 @@ export default function Pagination( {
 							onClick={ () => changePage( currentPage - 1 ) }
 							disabled={ currentPage === 1 }
 							aria-label={ __( 'Previous page' ) }
+							__experimentalIsFocusable
 						>
 							<span>‹</span>
 						</Button>
@@ -75,6 +77,7 @@ export default function Pagination( {
 							onClick={ () => changePage( currentPage + 1 ) }
 							disabled={ currentPage === numPages }
 							aria-label={ __( 'Next page' ) }
+							__experimentalIsFocusable
 						>
 							<span>›</span>
 						</Button>
@@ -84,6 +87,7 @@ export default function Pagination( {
 							disabled={ currentPage === numPages }
 							aria-label={ __( 'Last page' ) }
 							size="default"
+							__experimentalIsFocusable
 						>
 							<span>»</span>
 						</Button>

From f1abd8bd87210fd9d980057f67a8aae190d06071 Mon Sep 17 00:00:00 2001
From: Nik Tsekouras <ntsekouras@outlook.com>
Date: Thu, 11 Apr 2024 14:09:58 +0300
Subject: [PATCH 02/10] Fix static posts page setting resolved template
 (#60608)

Co-authored-by: ntsekouras <ntsekouras@git.wordpress.org>
Co-authored-by: jorgefilipecosta <jorgefilipecosta@git.wordpress.org>
Co-authored-by: Mamaduka <mamaduka@git.wordpress.org>
---
 .../src/request-utils/site-settings.ts        |  3 +
 packages/edit-post/src/store/selectors.js     | 43 ++++++---
 .../use-init-edited-entity-from-url.js        | 85 ++++++++++--------
 .../various/template-resolution.spec.js       | 90 +++++++++++++++++++
 4 files changed, 174 insertions(+), 47 deletions(-)
 create mode 100644 test/e2e/specs/editor/various/template-resolution.spec.js

diff --git a/packages/e2e-test-utils-playwright/src/request-utils/site-settings.ts b/packages/e2e-test-utils-playwright/src/request-utils/site-settings.ts
index 4540402ca827a9..d655f23c4f487c 100644
--- a/packages/e2e-test-utils-playwright/src/request-utils/site-settings.ts
+++ b/packages/e2e-test-utils-playwright/src/request-utils/site-settings.ts
@@ -19,6 +19,9 @@ type SiteSettings = {
 	posts_per_page: number;
 	default_ping_status: 'open' | 'closed';
 	default_comment_status: 'open' | 'closed';
+	show_on_front: 'posts' | 'page';
+	page_on_front: number;
+	page_for_posts: number;
 };
 
 /**
diff --git a/packages/edit-post/src/store/selectors.js b/packages/edit-post/src/store/selectors.js
index 98f67e7e4ee5c6..103fbbae7c9f4a 100644
--- a/packages/edit-post/src/store/selectors.js
+++ b/packages/edit-post/src/store/selectors.js
@@ -577,36 +577,55 @@ export function areMetaBoxesInitialized( state ) {
  */
 export const getEditedPostTemplate = createRegistrySelector(
 	( select ) => () => {
+		const {
+			id: postId,
+			type: postType,
+			slug,
+		} = select( editorStore ).getCurrentPost();
+		const { getSite, getEditedEntityRecord, getEntityRecords } =
+			select( coreStore );
+		const siteSettings = getSite();
+		// First check if the current page is set as the posts page.
+		const isPostsPage = +postId === siteSettings?.page_for_posts;
+		if ( isPostsPage ) {
+			const defaultTemplateId = select( coreStore ).getDefaultTemplateId(
+				{ slug: 'home' }
+			);
+			return getEditedEntityRecord(
+				'postType',
+				'wp_template',
+				defaultTemplateId
+			);
+		}
 		const currentTemplate =
 			select( editorStore ).getEditedPostAttribute( 'template' );
 		if ( currentTemplate ) {
-			const templateWithSameSlug = select( coreStore )
-				.getEntityRecords( 'postType', 'wp_template', { per_page: -1 } )
-				?.find( ( template ) => template.slug === currentTemplate );
+			const templateWithSameSlug = getEntityRecords(
+				'postType',
+				'wp_template',
+				{ per_page: -1 }
+			)?.find( ( template ) => template.slug === currentTemplate );
 			if ( ! templateWithSameSlug ) {
 				return templateWithSameSlug;
 			}
-			return select( coreStore ).getEditedEntityRecord(
+			return getEditedEntityRecord(
 				'postType',
 				'wp_template',
 				templateWithSameSlug.id
 			);
 		}
-
-		const post = select( editorStore ).getCurrentPost();
 		let slugToCheck;
 		// In `draft` status we might not have a slug available, so we use the `single`
 		// post type templates slug(ex page, single-post, single-product etc..).
 		// Pages do not need the `single` prefix in the slug to be prioritized
 		// through template hierarchy.
-		if ( post.slug ) {
+		if ( slug ) {
 			slugToCheck =
-				post.type === 'page'
-					? `${ post.type }-${ post.slug }`
-					: `single-${ post.type }-${ post.slug }`;
+				postType === 'page'
+					? `${ postType }-${ slug }`
+					: `single-${ postType }-${ slug }`;
 		} else {
-			slugToCheck =
-				post.type === 'page' ? 'page' : `single-${ post.type }`;
+			slugToCheck = postType === 'page' ? 'page' : `single-${ postType }`;
 		}
 		const defaultTemplateId = select( coreStore ).getDefaultTemplateId( {
 			slug: slugToCheck,
diff --git a/packages/edit-site/src/components/sync-state-with-url/use-init-edited-entity-from-url.js b/packages/edit-site/src/components/sync-state-with-url/use-init-edited-entity-from-url.js
index 839996e2ebdf9c..efd02a673874d2 100644
--- a/packages/edit-site/src/components/sync-state-with-url/use-init-edited-entity-from-url.js
+++ b/packages/edit-site/src/components/sync-state-with-url/use-init-edited-entity-from-url.js
@@ -28,42 +28,48 @@ const postTypesWithoutParentTemplate = [
 ];
 
 function useResolveEditedEntityAndContext( { path, postId, postType } ) {
-	const { hasLoadedAllDependencies, homepageId, url, frontPageTemplateId } =
-		useSelect( ( select ) => {
-			const { getSite, getUnstableBase, getEntityRecords } =
-				select( coreDataStore );
-			const siteData = getSite();
-			const base = getUnstableBase();
-			const templates = getEntityRecords(
-				'postType',
-				TEMPLATE_POST_TYPE,
-				{
-					per_page: -1,
-				}
+	const {
+		hasLoadedAllDependencies,
+		homepageId,
+		postsPageId,
+		url,
+		frontPageTemplateId,
+	} = useSelect( ( select ) => {
+		const { getSite, getUnstableBase, getEntityRecords } =
+			select( coreDataStore );
+		const siteData = getSite();
+		const base = getUnstableBase();
+		const templates = getEntityRecords( 'postType', TEMPLATE_POST_TYPE, {
+			per_page: -1,
+		} );
+		const _homepageId =
+			siteData?.show_on_front === 'page' &&
+			[ 'number', 'string' ].includes( typeof siteData.page_on_front ) &&
+			!! +siteData.page_on_front // We also need to check if it's not zero(`0`).
+				? siteData.page_on_front.toString()
+				: null;
+		const _postsPageId =
+			siteData?.show_on_front === 'page' &&
+			[ 'number', 'string' ].includes( typeof siteData.page_for_posts )
+				? siteData.page_for_posts.toString()
+				: null;
+		let _frontPageTemplateId;
+		if ( templates ) {
+			const frontPageTemplate = templates.find(
+				( t ) => t.slug === 'front-page'
 			);
-			let _frontPateTemplateId;
-			if ( templates ) {
-				const frontPageTemplate = templates.find(
-					( t ) => t.slug === 'front-page'
-				);
-				_frontPateTemplateId = frontPageTemplate
-					? frontPageTemplate.id
-					: false;
-			}
-
-			return {
-				hasLoadedAllDependencies: !! base && !! siteData,
-				homepageId:
-					siteData?.show_on_front === 'page' &&
-					[ 'number', 'string' ].includes(
-						typeof siteData.page_on_front
-					)
-						? siteData.page_on_front.toString()
-						: null,
-				url: base?.home,
-				frontPageTemplateId: _frontPateTemplateId,
-			};
-		}, [] );
+			_frontPageTemplateId = frontPageTemplate
+				? frontPageTemplate.id
+				: false;
+		}
+		return {
+			hasLoadedAllDependencies: !! base && !! siteData,
+			homepageId: _homepageId,
+			postsPageId: _postsPageId,
+			url: base?.home,
+			frontPageTemplateId: _frontPageTemplateId,
+		};
+	}, [] );
 
 	/**
 	 * This is a hook that recreates the logic to resolve a template for a given WordPress postID postTypeId
@@ -114,6 +120,14 @@ function useResolveEditedEntityAndContext( { path, postId, postType } ) {
 				if ( ! editedEntity ) {
 					return undefined;
 				}
+				// Check if the current page is the posts page.
+				if (
+					postTypeToResolve === 'page' &&
+					postsPageId === postIdToResolve
+				) {
+					return __experimentalGetTemplateForLink( editedEntity.link )
+						?.id;
+				}
 				// First see if the post/page has an assigned template and fetch it.
 				const currentTemplateSlug = editedEntity.template;
 				if ( currentTemplateSlug ) {
@@ -177,6 +191,7 @@ function useResolveEditedEntityAndContext( { path, postId, postType } ) {
 		},
 		[
 			homepageId,
+			postsPageId,
 			hasLoadedAllDependencies,
 			url,
 			postId,
diff --git a/test/e2e/specs/editor/various/template-resolution.spec.js b/test/e2e/specs/editor/various/template-resolution.spec.js
new file mode 100644
index 00000000000000..13503ddaf23d5b
--- /dev/null
+++ b/test/e2e/specs/editor/various/template-resolution.spec.js
@@ -0,0 +1,90 @@
+/**
+ * WordPress dependencies
+ */
+const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
+
+async function updateSiteSettings( { pageId, requestUtils } ) {
+	return requestUtils.updateSiteSettings( {
+		show_on_front: 'page',
+		page_on_front: 0,
+		page_for_posts: pageId,
+	} );
+}
+
+test.describe( 'Template resolution', () => {
+	test.beforeAll( async ( { requestUtils } ) => {
+		await requestUtils.activateTheme( 'emptytheme' );
+	} );
+	test.afterEach( async ( { requestUtils } ) => {
+		await Promise.all( [
+			requestUtils.deleteAllPages(),
+			requestUtils.updateSiteSettings( {
+				show_on_front: 'posts',
+				page_on_front: 0,
+				page_for_posts: 0,
+			} ),
+		] );
+	} );
+	test.afterAll( async ( { requestUtils } ) => {
+		await requestUtils.activateTheme( 'twentytwentyone' );
+	} );
+	test( 'Site editor proper front page template resolution when we have only set posts page in settings', async ( {
+		page,
+		admin,
+		requestUtils,
+	} ) => {
+		const newPage = await requestUtils.createPage( {
+			title: 'Posts Page',
+			status: 'publish',
+		} );
+		await updateSiteSettings( { requestUtils, pageId: newPage.id } );
+		await admin.visitSiteEditor();
+		await expect( page.locator( '.edit-site-canvas-loader' ) ).toHaveCount(
+			0
+		);
+	} );
+	test.describe( '`page_for_posts` setting', () => {
+		test( 'Post editor proper template resolution', async ( {
+			page,
+			admin,
+			editor,
+			requestUtils,
+		} ) => {
+			const newPage = await requestUtils.createPage( {
+				title: 'Posts Page',
+				status: 'publish',
+			} );
+			await admin.editPost( newPage.id );
+			await editor.openDocumentSettingsSidebar();
+			await expect(
+				page.getByRole( 'button', { name: 'Template options' } )
+			).toHaveText( 'Single Entries' );
+			await updateSiteSettings( { requestUtils, pageId: newPage.id } );
+			await page.reload();
+			await expect(
+				page.getByRole( 'button', { name: 'Template options' } )
+			).toHaveText( 'Index' );
+		} );
+		test( 'Site editor proper template resolution', async ( {
+			page,
+			editor,
+			admin,
+			requestUtils,
+		} ) => {
+			const newPage = await requestUtils.createPage( {
+				title: 'Posts Page',
+				status: 'publish',
+			} );
+			await updateSiteSettings( { requestUtils, pageId: newPage.id } );
+			await admin.visitSiteEditor( {
+				postId: newPage.id,
+				postType: 'page',
+				canvas: 'edit',
+			} );
+			await editor.openDocumentSettingsSidebar();
+			await expect(
+				page.getByRole( 'button', { name: 'Template options' } )
+			).toHaveText( 'Index' );
+		} );
+	} );
+} );

From 25c18ac266fac970b1dae241fb989d7bc792e798 Mon Sep 17 00:00:00 2001
From: Sarah Norris <1645628+mikachan@users.noreply.github.com>
Date: Thu, 11 Apr 2024 17:11:04 +0100
Subject: [PATCH 03/10] Font Library: Fix modal scrollbar (#60641)

* Make footer a fixed height; add margin to modal content

* Remove Spacer from bottom of Library tab content

* Add variable for footer height size

Co-authored-by: mikachan <mikachan@git.wordpress.org>
Co-authored-by: creativecoder <grantmkin@git.wordpress.org>
Co-authored-by: t-hamano <wildworks@git.wordpress.org>
Co-authored-by: jordesign <jordesign@git.wordpress.org>
Co-authored-by: matiasbenedetto <mmaattiiaass@git.wordpress.org>
---
 .../global-styles/font-library-modal/installed-fonts.js     | 1 -
 .../components/global-styles/font-library-modal/style.scss  | 6 ++++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/edit-site/src/components/global-styles/font-library-modal/installed-fonts.js b/packages/edit-site/src/components/global-styles/font-library-modal/installed-fonts.js
index 69e645f57e6125..9735eea815f865 100644
--- a/packages/edit-site/src/components/global-styles/font-library-modal/installed-fonts.js
+++ b/packages/edit-site/src/components/global-styles/font-library-modal/installed-fonts.js
@@ -181,7 +181,6 @@ function InstalledFonts() {
 							) ) }
 						</>
 					) }
-					<Spacer margin={ 16 } />
 				</NavigatorScreen>
 
 				<NavigatorScreen path="/fontFamily">
diff --git a/packages/edit-site/src/components/global-styles/font-library-modal/style.scss b/packages/edit-site/src/components/global-styles/font-library-modal/style.scss
index cfc42aa63a5c50..c823b8f1280aba 100644
--- a/packages/edit-site/src/components/global-styles/font-library-modal/style.scss
+++ b/packages/edit-site/src/components/global-styles/font-library-modal/style.scss
@@ -1,3 +1,7 @@
+// Fixed height for the modal footer.
+// Ensures that the footer is always visible when the modal content is scrollable.
+$footer-height: 70px;
+
 .font-library-modal {
 	// @todo: If a new prop is added to the Modal component that constrains
 	// the content width, we should use that prop instead of this style.
@@ -15,6 +19,7 @@
 
 	.components-modal__content {
 		padding-top: 0;
+		margin-bottom: $footer-height;
 	}
 
 	.font-library-modal__subtitle {
@@ -40,6 +45,7 @@
 		position: absolute;
 		bottom: $grid-unit-40;
 		width: 100%;
+		height: $footer-height;
 		background-color: $white;
 	}
 }

From 78859b167ec5fd5c5d21e2d63b6585e8786ec07b Mon Sep 17 00:00:00 2001
From: David Arenas <david.arenas@automattic.com>
Date: Thu, 11 Apr 2024 21:31:53 +0200
Subject: [PATCH 04/10] Interactivity API: Allow multiple event handlers for
 the same type with `data-wp-on`. (#60661)

* Allow multiple event handlers for the same type

* Add simple test

Co-authored-by: DAreRodz <darerodz@git.wordpress.org>
Co-authored-by: felixarntz <flixos90@git.wordpress.org>
Co-authored-by: luisherranz <luisherranz@git.wordpress.org>
---
 .../directive-on/render.php                   | 20 +++++++++++++++
 .../interactive-blocks/directive-on/view.js   | 12 +++++++++
 packages/interactivity/src/directives.js      | 15 ++++++++---
 .../specs/interactivity/directive-on.spec.ts  | 25 +++++++++++++++++++
 4 files changed, 69 insertions(+), 3 deletions(-)

diff --git a/packages/e2e-tests/plugins/interactive-blocks/directive-on/render.php b/packages/e2e-tests/plugins/interactive-blocks/directive-on/render.php
index edb081922fc0e4..eb2de94ab58eea 100644
--- a/packages/e2e-tests/plugins/interactive-blocks/directive-on/render.php
+++ b/packages/e2e-tests/plugins/interactive-blocks/directive-on/render.php
@@ -51,4 +51,24 @@
 			data-wp-on--click="actions.clickHandler"
 		>Click me!</button>
 	</div>
+	<div data-wp-context='{"clicked":false,"clickCount":0,"isOpen":true}'>
+		<p
+			data-wp-text="context.clicked"
+			data-testid="multiple handlers clicked"
+		>false</p>
+		<p
+			data-wp-text="context.clickCount"
+			data-testid="multiple handlers clickCount"
+		>0</p>
+		<p
+			data-wp-text="context.isOpen"
+			data-testid="multiple handlers isOpen"
+		>true</p>
+		<button
+			data-testid="multiple handlers button"
+			data-wp-on--click="actions.setClicked"
+			data-wp-on--click--counter="actions.countClick"
+			data-wp-on--click--toggle="actions.toggle"
+		>Click me!</button>
+	</div>
 </div>
diff --git a/packages/e2e-tests/plugins/interactive-blocks/directive-on/view.js b/packages/e2e-tests/plugins/interactive-blocks/directive-on/view.js
index 69378b53e14c0a..8b0bcc0e115eca 100644
--- a/packages/e2e-tests/plugins/interactive-blocks/directive-on/view.js
+++ b/packages/e2e-tests/plugins/interactive-blocks/directive-on/view.js
@@ -26,5 +26,17 @@ const { state } = store( 'directive-on', {
 			const context = getContext();
 			context.customEvents += 1;
 		},
+		setClicked: () => {
+			const context = getContext();
+			context.clicked = true;
+		},
+		countClick: () => {
+			const context = getContext();
+			context.clickCount += 1;
+		},
+		toggle: () => {
+			const context = getContext();
+			context.isOpen = ! context.isOpen;
+		},
 	},
 } );
diff --git a/packages/interactivity/src/directives.js b/packages/interactivity/src/directives.js
index b19067bdc1ad9a..c20ea3aec722d3 100644
--- a/packages/interactivity/src/directives.js
+++ b/packages/interactivity/src/directives.js
@@ -270,13 +270,22 @@ export default () => {
 
 	// data-wp-on--[event]
 	directive( 'on', ( { directives: { on }, element, evaluate } ) => {
+		const events = new Map();
 		on.filter( ( { suffix } ) => suffix !== 'default' ).forEach(
 			( entry ) => {
-				element.props[ `on${ entry.suffix }` ] = ( event ) => {
-					evaluate( entry, event );
-				};
+				const event = entry.suffix.split( '--' )[ 0 ];
+				if ( ! events.has( event ) ) events.set( event, new Set() );
+				events.get( event ).add( entry );
 			}
 		);
+
+		events.forEach( ( entries, eventType ) => {
+			element.props[ `on${ eventType }` ] = ( event ) => {
+				entries.forEach( ( entry ) => {
+					evaluate( entry, event );
+				} );
+			};
+		} );
 	} );
 
 	// data-wp-on-window--[event]
diff --git a/test/e2e/specs/interactivity/directive-on.spec.ts b/test/e2e/specs/interactivity/directive-on.spec.ts
index 03dfe64462c567..886f74335e7aee 100644
--- a/test/e2e/specs/interactivity/directive-on.spec.ts
+++ b/test/e2e/specs/interactivity/directive-on.spec.ts
@@ -51,4 +51,29 @@ test.describe( 'data-wp-on', () => {
 			.click( { clickCount: 3, delay: 100 } );
 		await expect( counter ).toHaveText( '3' );
 	} );
+
+	test( 'should work with multiple event handlers on the same event type', async ( {
+		page,
+	} ) => {
+		const button = page.getByTestId( 'multiple handlers button' );
+		const isOpen = page.getByTestId( 'multiple handlers isOpen' );
+		const clicked = page.getByTestId( 'multiple handlers clicked' );
+		const clickCount = page.getByTestId( 'multiple handlers clickCount' );
+
+		await expect( clicked ).toHaveText( 'false' );
+		await expect( clickCount ).toHaveText( '0' );
+		await expect( isOpen ).toHaveText( 'true' );
+
+		await button.click();
+
+		await expect( clicked ).toHaveText( 'true' );
+		await expect( clickCount ).toHaveText( '1' );
+		await expect( isOpen ).toHaveText( 'false' );
+
+		await button.click();
+
+		await expect( clicked ).toHaveText( 'true' );
+		await expect( clickCount ).toHaveText( '2' );
+		await expect( isOpen ).toHaveText( 'true' );
+	} );
 } );

From 06e98983df01efa37725d748fc176abd150d67f7 Mon Sep 17 00:00:00 2001
From: Andrew Serong <14988353+andrewserong@users.noreply.github.com>
Date: Fri, 19 Apr 2024 08:55:49 +1000
Subject: [PATCH 05/10] List View: Fix stuck dragging mode in UI in Firefox
 when dealing with deeply nested lists (#60845)

Co-authored-by: andrewserong <andrewserong@git.wordpress.org>
Co-authored-by: ramonjd <ramonopoly@git.wordpress.org>
Co-authored-by: diggeddy <diggeddy@git.wordpress.org>
---
 .../src/components/list-view/use-list-view-drop-zone.js      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/block-editor/src/components/list-view/use-list-view-drop-zone.js b/packages/block-editor/src/components/list-view/use-list-view-drop-zone.js
index 3354b3f41d391c..67908a43fc3c00 100644
--- a/packages/block-editor/src/components/list-view/use-list-view-drop-zone.js
+++ b/packages/block-editor/src/components/list-view/use-list-view-drop-zone.js
@@ -556,9 +556,14 @@ export default function useListViewDropZone( {
 	const ref = useDropZone( {
 		dropZoneElement,
 		onDrop( event ) {
+			throttled.cancel();
 			if ( target ) {
 				onBlockDrop( event );
 			}
+			// Use `undefined` value to indicate that the drag has concluded.
+			// This allows styling rules that are active only when a user is
+			// dragging to be removed.
+			setTarget( undefined );
 		},
 		onDragLeave() {
 			throttled.cancel();

From 74f283fe5aed52a7119476f7d08f9abd6b956fe5 Mon Sep 17 00:00:00 2001
From: Andrew Serong <14988353+andrewserong@users.noreply.github.com>
Date: Fri, 12 Apr 2024 10:34:41 +1000
Subject: [PATCH 06/10] PHP unit test workflow: Try removing 7.0 and 7.1
 (#60686)

Co-authored-by: andrewserong <andrewserong@git.wordpress.org>
Co-authored-by: ramonjd <ramonopoly@git.wordpress.org>
---
 .github/workflows/unit-test.yml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index 523418a79ef49a..25420ee5eea77e 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -86,8 +86,6 @@ jobs:
             fail-fast: true
             matrix:
                 php:
-                    - '7.0'
-                    - '7.1'
                     - '7.2'
                     - '7.3'
                     - '7.4'

From fd26a360aaeefce97b1e50b7a04b59041cf18c20 Mon Sep 17 00:00:00 2001
From: George Mamadashvili <georgemamadashvili@gmail.com>
Date: Mon, 15 Apr 2024 08:46:43 +0400
Subject: [PATCH 07/10] Layout: Always add semantic classes (#60668)

* Layout: Always add semantic classes
* Default to undefined
* Feedback

Co-authored-by: Mamaduka <mamaduka@git.wordpress.org>
Co-authored-by: tellthemachines <isabel_brison@git.wordpress.org>
Co-authored-by: andrewserong <andrewserong@git.wordpress.org>
Co-authored-by: colorful-tones <colorful-tones@git.wordpress.org>
Co-authored-by: ellatrix <ellatrix@git.wordpress.org>
Co-authored-by: davecpage <davecpage@git.wordpress.org>
---
 packages/block-editor/src/hooks/layout.js | 24 +++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/packages/block-editor/src/hooks/layout.js b/packages/block-editor/src/hooks/layout.js
index a83d07398d54a9..98c5ed8c1551a5 100644
--- a/packages/block-editor/src/hooks/layout.js
+++ b/packages/block-editor/src/hooks/layout.js
@@ -338,7 +338,11 @@ export function addAttribute( settings ) {
 	return settings;
 }
 
-function BlockWithLayoutStyles( { block: BlockListBlock, props } ) {
+function BlockWithLayoutStyles( {
+	block: BlockListBlock,
+	props,
+	layoutClasses,
+} ) {
 	const { name, attributes } = props;
 	const id = useInstanceId( BlockListBlock );
 	const { layout } = attributes;
@@ -348,7 +352,6 @@ function BlockWithLayoutStyles( { block: BlockListBlock, props } ) {
 		layout?.inherit || layout?.contentSize || layout?.wideSize
 			? { ...layout, type: 'constrained' }
 			: layout || defaultBlockLayout || {};
-	const layoutClasses = useLayoutClasses( attributes, name );
 
 	const { kebabCase } = unlock( componentsPrivateApis );
 	const selectorPrefix = `wp-container-${ kebabCase( name ) }-is-layout-`;
@@ -395,7 +398,9 @@ function BlockWithLayoutStyles( { block: BlockListBlock, props } ) {
  */
 export const withLayoutStyles = createHigherOrderComponent(
 	( BlockListBlock ) => ( props ) => {
+		const { name, attributes } = props;
 		const blockSupportsLayout = hasLayoutBlockSupport( props.name );
+		const layoutClasses = useLayoutClasses( attributes, name );
 		const shouldRenderLayoutStyles = useSelect(
 			( select ) => {
 				// The callback returns early to avoid block editor subscription.
@@ -410,11 +415,22 @@ export const withLayoutStyles = createHigherOrderComponent(
 		);
 
 		if ( ! shouldRenderLayoutStyles ) {
-			return <BlockListBlock { ...props } />;
+			return (
+				<BlockListBlock
+					{ ...props }
+					__unstableLayoutClassNames={
+						blockSupportsLayout ? layoutClasses : undefined
+					}
+				/>
+			);
 		}
 
 		return (
-			<BlockWithLayoutStyles block={ BlockListBlock } props={ props } />
+			<BlockWithLayoutStyles
+				block={ BlockListBlock }
+				props={ props }
+				layoutClasses={ layoutClasses }
+			/>
 		);
 	},
 	'withLayoutStyles'

From 84ac9e3f00eb25e6985c40f34333c95d7c804612 Mon Sep 17 00:00:00 2001
From: tellthemachines <tellthemachines@users.noreply.github.com>
Date: Fri, 19 Apr 2024 14:14:52 +1000
Subject: [PATCH 08/10] Don't output base flow and constrained layout rules on
 themes without theme.json (#60764)

Co-authored-by: tellthemachines <isabel_brison@git.wordpress.org>
Co-authored-by: oandregal <oandregal@git.wordpress.org>
Co-authored-by: andrewserong <andrewserong@git.wordpress.org>
Co-authored-by: ramonjd <ramonopoly@git.wordpress.org>
Co-authored-by: creativecoder <grantmkin@git.wordpress.org>
---
 lib/class-wp-theme-json-gutenberg.php | 9 +++++++--
 phpunit/class-wp-theme-json-test.php  | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/lib/class-wp-theme-json-gutenberg.php b/lib/class-wp-theme-json-gutenberg.php
index 6bce853ba2ec2c..c7f8677c132ebc 100644
--- a/lib/class-wp-theme-json-gutenberg.php
+++ b/lib/class-wp-theme-json-gutenberg.php
@@ -1230,7 +1230,7 @@ public function get_stylesheet( $types = array( 'variables', 'styles', 'presets'
 			);
 
 			foreach ( $base_styles_nodes as $base_style_node ) {
-				$stylesheet .= $this->get_layout_styles( $base_style_node );
+				$stylesheet .= $this->get_layout_styles( $base_style_node, $types );
 			}
 		}
 
@@ -1392,7 +1392,7 @@ protected function get_block_classes( $style_nodes ) {
 	 * @param array $block_metadata Metadata about the block to get styles for.
 	 * @return string Layout styles for the block.
 	 */
-	protected function get_layout_styles( $block_metadata ) {
+	protected function get_layout_styles( $block_metadata, $types = array() ) {
 		$block_rules = '';
 		$block_type  = null;
 
@@ -1538,6 +1538,11 @@ protected function get_layout_styles( $block_metadata ) {
 					foreach ( $base_style_rules as $base_style_rule ) {
 						$declarations = array();
 
+						// Skip outputting base styles for flow and constrained layout types if theme doesn't support theme.json. The 'base-layout-styles' type flags this.
+						if ( in_array( 'base-layout-styles', $types, true ) && ( 'default' === $layout_definition['name'] || 'constrained' === $layout_definition['name'] ) ) {
+							continue;
+						}
+
 						if (
 							isset( $base_style_rule['selector'] ) &&
 							preg_match( $layout_selector_pattern, $base_style_rule['selector'] ) &&
diff --git a/phpunit/class-wp-theme-json-test.php b/phpunit/class-wp-theme-json-test.php
index 9afd9ded6f1023..e9ea53e78fec7a 100644
--- a/phpunit/class-wp-theme-json-test.php
+++ b/phpunit/class-wp-theme-json-test.php
@@ -1267,7 +1267,7 @@ public function test_get_stylesheet_generates_base_fallback_gap_layout_styles()
 
 		// Note the `base-layout-styles` includes a fallback gap for the Columns block for backwards compatibility.
 		$this->assertSame(
-			':where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}:where(.wp-block-columns.is-layout-flex){gap: 2em;}:where(.wp-block-columns.is-layout-grid){gap: 2em;}:where(.wp-block-post-template.is-layout-flex){gap: 1.25em;}:where(.wp-block-post-template.is-layout-grid){gap: 1.25em;}',
+			':where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}:where(.wp-block-columns.is-layout-flex){gap: 2em;}:where(.wp-block-columns.is-layout-grid){gap: 2em;}:where(.wp-block-post-template.is-layout-flex){gap: 1.25em;}:where(.wp-block-post-template.is-layout-grid){gap: 1.25em;}',
 			$stylesheet
 		);
 	}

From 3536f495ad66753057430559eb127ad343d80253 Mon Sep 17 00:00:00 2001
From: George Mamadashvili <georgemamadashvili@gmail.com>
Date: Thu, 2 May 2024 09:50:25 +0400
Subject: [PATCH 09/10] Update performance test locator

---
 test/performance/specs/post-editor.spec.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/performance/specs/post-editor.spec.js b/test/performance/specs/post-editor.spec.js
index e720396afe5dac..c8010c79b15508 100644
--- a/test/performance/specs/post-editor.spec.js
+++ b/test/performance/specs/post-editor.spec.js
@@ -657,7 +657,7 @@ test.describe( 'Post Editor Performance', () => {
 
 				const startTime = performance.now();
 
-				await page.getByRole( 'button', { name: 'Test' } ).click();
+				await page.getByText( 'Test' ).click();
 
 				await Promise.all(
 					testPatterns.map( async ( pattern ) => {

From 7b3174467f7475188f1de837beeb55465d6bb3fa Mon Sep 17 00:00:00 2001
From: Andrew Serong <14988353+andrewserong@users.noreply.github.com>
Date: Fri, 5 Apr 2024 16:40:07 +1100
Subject: [PATCH 10/10] Layout: Skip outputting base layout rules that
 reference content or wide sizes if no layout sizes exist (#60489)

* Layout: Skip outputting base layout rules that reference content or wide sizes if no content or wide sizes exist

* Update tests
---
 lib/class-wp-theme-json-gutenberg.php | 10 +++++
 phpunit/class-wp-theme-json-test.php  | 64 +++++++++++++--------------
 2 files changed, 42 insertions(+), 32 deletions(-)

diff --git a/lib/class-wp-theme-json-gutenberg.php b/lib/class-wp-theme-json-gutenberg.php
index c7f8677c132ebc..b25781d3bd3136 100644
--- a/lib/class-wp-theme-json-gutenberg.php
+++ b/lib/class-wp-theme-json-gutenberg.php
@@ -1549,6 +1549,16 @@ protected function get_layout_styles( $block_metadata, $types = array() ) {
 							! empty( $base_style_rule['rules'] )
 						) {
 							foreach ( $base_style_rule['rules'] as $css_property => $css_value ) {
+								// Skip rules that reference content size or wide size if they are not defined in the theme.json.
+								if (
+									is_string( $css_value ) &&
+									( str_contains( $css_value, '--global--content-size' ) || str_contains( $css_value, '--global--wide-size' ) ) &&
+									! isset( $this->theme_json['settings']['layout']['contentSize'] ) &&
+									! isset( $this->theme_json['settings']['layout']['wideSize'] )
+								) {
+									continue;
+								}
+
 								if ( static::is_safe_css_declaration( $css_property, $css_value ) ) {
 									$declarations[] = array(
 										'name'  => $css_property,
diff --git a/phpunit/class-wp-theme-json-test.php b/phpunit/class-wp-theme-json-test.php
index e9ea53e78fec7a..049e55096f70d1 100644
--- a/phpunit/class-wp-theme-json-test.php
+++ b/phpunit/class-wp-theme-json-test.php
@@ -546,7 +546,7 @@ public function test_get_stylesheet() {
 		);
 
 		$variables = 'body{--wp--preset--color--grey: grey;--wp--preset--gradient--custom-gradient: linear-gradient(135deg,rgba(0,0,0) 0%,rgb(0,0,0) 100%);--wp--preset--font-size--small: 14px;--wp--preset--font-size--big: 41px;--wp--preset--font-family--arial: Arial, serif;}.wp-block-group{--wp--custom--base-font: 16;--wp--custom--line-height--small: 1.2;--wp--custom--line-height--medium: 1.4;--wp--custom--line-height--large: 1.8;}';
-		$styles    = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}body{color: var(--wp--preset--color--grey);}a:where(:not(.wp-element-button)){background-color: #333;color: #111;}.wp-element-button, .wp-block-button__link{box-shadow: 10px 10px 5px 0px rgba(0,0,0,0.66);}.wp-block-cover{min-height: unset;aspect-ratio: 16/9;}.wp-block-group{background: var(--wp--preset--gradient--custom-gradient);border-radius: 10px;min-height: 50vh;padding: 24px;}.wp-block-group a:where(:not(.wp-element-button)){color: #111;}.wp-block-heading{color: #123456;}.wp-block-heading a:where(:not(.wp-element-button)){background-color: #333;color: #111;font-size: 60px;}.wp-block-post-date{color: #123456;}.wp-block-post-date a:where(:not(.wp-element-button)){background-color: #777;color: #555;}.wp-block-post-excerpt{column-count: 2;}.wp-block-image{margin-bottom: 30px;}.wp-block-image img, .wp-block-image .wp-block-image__crop-area, .wp-block-image .components-placeholder{border-top-left-radius: 10px;border-bottom-right-radius: 1em;}.wp-block-image img, .wp-block-image .components-placeholder{filter: var(--wp--preset--duotone--custom-duotone);}';
+		$styles    = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}body{color: var(--wp--preset--color--grey);}a:where(:not(.wp-element-button)){background-color: #333;color: #111;}.wp-element-button, .wp-block-button__link{box-shadow: 10px 10px 5px 0px rgba(0,0,0,0.66);}.wp-block-cover{min-height: unset;aspect-ratio: 16/9;}.wp-block-group{background: var(--wp--preset--gradient--custom-gradient);border-radius: 10px;min-height: 50vh;padding: 24px;}.wp-block-group a:where(:not(.wp-element-button)){color: #111;}.wp-block-heading{color: #123456;}.wp-block-heading a:where(:not(.wp-element-button)){background-color: #333;color: #111;font-size: 60px;}.wp-block-post-date{color: #123456;}.wp-block-post-date a:where(:not(.wp-element-button)){background-color: #777;color: #555;}.wp-block-post-excerpt{column-count: 2;}.wp-block-image{margin-bottom: 30px;}.wp-block-image img, .wp-block-image .wp-block-image__crop-area, .wp-block-image .components-placeholder{border-top-left-radius: 10px;border-bottom-right-radius: 1em;}.wp-block-image img, .wp-block-image .components-placeholder{filter: var(--wp--preset--duotone--custom-duotone);}';
 		$presets   = '.has-grey-color{color: var(--wp--preset--color--grey) !important;}.has-grey-background-color{background-color: var(--wp--preset--color--grey) !important;}.has-grey-border-color{border-color: var(--wp--preset--color--grey) !important;}.has-custom-gradient-gradient-background{background: var(--wp--preset--gradient--custom-gradient) !important;}.has-small-font-size{font-size: var(--wp--preset--font-size--small) !important;}.has-big-font-size{font-size: var(--wp--preset--font-size--big) !important;}.has-arial-font-family{font-family: var(--wp--preset--font-family--arial) !important;}';
 		$all       = $variables . $styles . $presets;
 
@@ -592,7 +592,7 @@ public function test_get_stylesheet_support_for_shorthand_and_longhand_values()
 			)
 		);
 
-		$styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-group{border-radius: 10px;margin: 1em;padding: 24px;}.wp-block-image{margin-bottom: 30px;padding-top: 15px;}.wp-block-image img, .wp-block-image .wp-block-image__crop-area, .wp-block-image .components-placeholder{border-top-left-radius: 10px;border-bottom-right-radius: 1em;}';
+		$styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-group{border-radius: 10px;margin: 1em;padding: 24px;}.wp-block-image{margin-bottom: 30px;padding-top: 15px;}.wp-block-image img, .wp-block-image .wp-block-image__crop-area, .wp-block-image .components-placeholder{border-top-left-radius: 10px;border-bottom-right-radius: 1em;}';
 		$this->assertSame( $styles, $theme_json->get_stylesheet() );
 		$this->assertSame( $styles, $theme_json->get_stylesheet( array( 'styles' ) ) );
 	}
@@ -621,7 +621,7 @@ public function test_get_stylesheet_skips_disabled_protected_properties() {
 			)
 		);
 
-		$expected = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}:where(.wp-block-columns.is-layout-flex){gap: 2em;}:where(.wp-block-columns.is-layout-grid){gap: 2em;}';
+		$expected = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}:where(.wp-block-columns.is-layout-flex){gap: 2em;}:where(.wp-block-columns.is-layout-grid){gap: 2em;}';
 		$this->assertSame( $expected, $theme_json->get_stylesheet() );
 		$this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) );
 	}
@@ -643,7 +643,7 @@ public function test_get_stylesheet_renders_enabled_protected_properties() {
 			)
 		);
 
-		$expected = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: 1em; margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: 1em; }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: 1em;margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: 1em;margin-block-end: 0;}:where(body .is-layout-flex) {gap: 1em;}:where(body .is-layout-grid) {gap: 1em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$expected = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: 1em; margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: 1em; }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: 1em;margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: 1em;margin-block-end: 0;}:where(body .is-layout-flex) {gap: 1em;}:where(body .is-layout-grid) {gap: 1em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$this->assertSame( $expected, $theme_json->get_stylesheet() );
 		$this->assertSame( $expected, $theme_json->get_stylesheet( array( 'styles' ) ) );
 	}
@@ -705,7 +705,7 @@ public function test_get_stylesheet_preset_rules_come_after_block_rules() {
 			)
 		);
 
-		$styles    = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-group{color: red;}';
+		$styles    = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-group{color: red;}';
 		$presets   = '.wp-block-group.has-grey-color{color: var(--wp--preset--color--grey) !important;}.wp-block-group.has-grey-background-color{background-color: var(--wp--preset--color--grey) !important;}.wp-block-group.has-grey-border-color{border-color: var(--wp--preset--color--grey) !important;}';
 		$variables = '.wp-block-group{--wp--preset--color--grey: grey;}';
 
@@ -792,7 +792,7 @@ public function test_get_stylesheet_preset_values_are_marked_as_important() {
 		);
 
 		$this->assertSame(
-			'body{--wp--preset--color--grey: grey;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}p{background-color: blue;color: red;font-size: 12px;line-height: 1.3;}.has-grey-color{color: var(--wp--preset--color--grey) !important;}.has-grey-background-color{background-color: var(--wp--preset--color--grey) !important;}.has-grey-border-color{border-color: var(--wp--preset--color--grey) !important;}',
+			'body{--wp--preset--color--grey: grey;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}p{background-color: blue;color: red;font-size: 12px;line-height: 1.3;}.has-grey-color{color: var(--wp--preset--color--grey) !important;}.has-grey-background-color{background-color: var(--wp--preset--color--grey) !important;}.has-grey-border-color{border-color: var(--wp--preset--color--grey) !important;}',
 			$theme_json->get_stylesheet()
 		);
 	}
@@ -830,7 +830,7 @@ public function test_get_stylesheet_handles_whitelisted_element_pseudo_selectors
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 
 		$element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}';
 
@@ -869,7 +869,7 @@ public function test_get_stylesheet_handles_only_pseudo_selector_rules_for_given
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 
 		$element_styles = 'a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}';
 
@@ -908,7 +908,7 @@ public function test_get_stylesheet_ignores_pseudo_selectors_on_non_whitelisted_
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 
 		$element_styles = 'h4{background-color: red;color: green;}';
 
@@ -947,7 +947,7 @@ public function test_get_stylesheet_ignores_non_whitelisted_pseudo_selectors() {
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 
 		$element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;}';
 
@@ -995,7 +995,7 @@ public function test_get_stylesheet_handles_priority_of_elements_vs_block_elemen
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 
 		$element_styles = '.wp-block-group a:where(:not(.wp-element-button)){background-color: red;color: green;}.wp-block-group a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}.wp-block-group a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}';
 
@@ -1042,7 +1042,7 @@ public function test_get_stylesheet_handles_whitelisted_block_level_element_pseu
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 
 		$element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;}.wp-block-group a:where(:not(.wp-element-button)):hover{background-color: black;color: yellow;}';
 
@@ -1105,7 +1105,7 @@ public function test_get_stylesheet_with_deprecated_feature_level_selectors() {
 			)
 		);
 
-		$base_styles   = 'body{--wp--preset--color--green: green;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles   = 'body{--wp--preset--color--green: green;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$block_styles  = '.wp-block-test, .wp-block-test__wrapper{color: green;}.wp-block-test .inner, .wp-block-test__wrapper .inner{border-radius: 9999px;padding: 20px;}.wp-block-test .sub-heading, .wp-block-test__wrapper .sub-heading{font-size: 3em;}';
 		$preset_styles = '.has-green-color{color: var(--wp--preset--color--green) !important;}.has-green-background-color{background-color: var(--wp--preset--color--green) !important;}.has-green-border-color{border-color: var(--wp--preset--color--green) !important;}';
 		$expected      = $base_styles . $block_styles . $preset_styles;
@@ -1167,7 +1167,7 @@ public function test_get_stylesheet_with_block_json_selectors() {
 			)
 		);
 
-		$base_styles   = 'body{--wp--preset--color--green: green;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles   = 'body{--wp--preset--color--green: green;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$block_styles  = '.custom-root-selector{background-color: grey;padding: 20px;}.custom-root-selector img{border-radius: 9999px;}.custom-root-selector > figcaption{color: navy;font-size: 3em;}';
 		$preset_styles = '.has-green-color{color: var(--wp--preset--color--green) !important;}.has-green-background-color{background-color: var(--wp--preset--color--green) !important;}.has-green-border-color{border-color: var(--wp--preset--color--green) !important;}';
 		$expected      = $base_styles . $block_styles . $preset_styles;
@@ -1195,7 +1195,7 @@ public function test_get_stylesheet_generates_layout_styles() {
 
 		// Results also include root site blocks styles.
 		$this->assertSame(
-			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: 1em; margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: 1em; }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: 1em;margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: 1em;margin-block-end: 0;}:where(body .is-layout-flex) {gap: 1em;}:where(body .is-layout-grid) {gap: 1em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}',
+			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: 1em; margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: 1em; }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: 1em;margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: 1em;margin-block-end: 0;}:where(body .is-layout-flex) {gap: 1em;}:where(body .is-layout-grid) {gap: 1em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}',
 			$theme_json->get_stylesheet( array( 'styles' ) )
 		);
 	}
@@ -1220,7 +1220,7 @@ public function test_get_stylesheet_generates_layout_styles_with_spacing_presets
 
 		// Results also include root site blocks styles.
 		$this->assertSame(
-			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: var(--wp--preset--spacing--60); margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: var(--wp--preset--spacing--60); }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: var(--wp--preset--spacing--60);margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: var(--wp--preset--spacing--60);margin-block-end: 0;}:where(body .is-layout-flex) {gap: var(--wp--preset--spacing--60);}:where(body .is-layout-grid) {gap: var(--wp--preset--spacing--60);}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}',
+			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: var(--wp--preset--spacing--60); margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: var(--wp--preset--spacing--60); }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: var(--wp--preset--spacing--60);margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: var(--wp--preset--spacing--60);margin-block-end: 0;}:where(body .is-layout-flex) {gap: var(--wp--preset--spacing--60);}:where(body .is-layout-grid) {gap: var(--wp--preset--spacing--60);}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}',
 			$theme_json->get_stylesheet( array( 'styles' ) )
 		);
 	}
@@ -1246,7 +1246,7 @@ public function test_get_stylesheet_generates_fallback_gap_layout_styles() {
 
 		// Results also include root site blocks styles.
 		$this->assertSame(
-			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}',
+			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}',
 			$stylesheet
 		);
 	}
@@ -1336,7 +1336,7 @@ public function test_get_stylesheet_generates_valid_block_gap_values_and_skips_n
 		);
 
 		$this->assertSame(
-			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: 1rem; margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: 1rem; }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: 1rem;margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: 1rem;margin-block-end: 0;}:where(body .is-layout-flex) {gap: 1rem;}:where(body .is-layout-grid) {gap: 1rem;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}' .
+			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: 1rem; margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: 1rem; }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: 1rem;margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: 1rem;margin-block-end: 0;}:where(body .is-layout-flex) {gap: 1rem;}:where(body .is-layout-grid) {gap: 1rem;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}' .
 			'.wp-block-post-content{color: gray;}.wp-block-social-links-is-layout-flow > :first-child:first-child{margin-block-start: 0;}.wp-block-social-links-is-layout-flow > :last-child:last-child{margin-block-end: 0;}.wp-block-social-links-is-layout-flow > *{margin-block-start: 0;margin-block-end: 0;}.wp-block-social-links-is-layout-constrained > :first-child:first-child{margin-block-start: 0;}.wp-block-social-links-is-layout-constrained > :last-child:last-child{margin-block-end: 0;}.wp-block-social-links-is-layout-constrained > *{margin-block-start: 0;margin-block-end: 0;}.wp-block-social-links-is-layout-flex{gap: 0;}.wp-block-social-links-is-layout-grid{gap: 0;}.wp-block-buttons-is-layout-flow > :first-child:first-child{margin-block-start: 0;}.wp-block-buttons-is-layout-flow > :last-child:last-child{margin-block-end: 0;}.wp-block-buttons-is-layout-flow > *{margin-block-start: 0;margin-block-end: 0;}.wp-block-buttons-is-layout-constrained > :first-child:first-child{margin-block-start: 0;}.wp-block-buttons-is-layout-constrained > :last-child:last-child{margin-block-end: 0;}.wp-block-buttons-is-layout-constrained > *{margin-block-start: 0;margin-block-end: 0;}.wp-block-buttons-is-layout-flex{gap: 0;}.wp-block-buttons-is-layout-grid{gap: 0;}',
 			$theme_json->get_stylesheet()
 		);
@@ -1369,7 +1369,7 @@ public function test_get_stylesheet_returns_outline_styles() {
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 
 		$element_styles = '.wp-element-button, .wp-block-button__link{outline-color: red;outline-offset: 3px;outline-style: dashed;outline-width: 3px;}.wp-element-button:hover, .wp-block-button__link:hover{outline-color: blue;outline-offset: 3px;outline-style: solid;outline-width: 3px;}';
 
@@ -3465,7 +3465,7 @@ public function test_get_property_value_valid() {
 			)
 		);
 
-		$base_styles  = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles  = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$color_styles = 'body{background-color: #ffffff;color: #000000;}.wp-element-button, .wp-block-button__link{background-color: #000000;color: #ffffff;}';
 		$expected     = $base_styles . $color_styles;
 		$this->assertSame( $expected, $theme_json->get_stylesheet() );
@@ -3544,7 +3544,7 @@ public function test_get_property_value_loop() {
 			)
 		);
 
-		$base_styles  = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles  = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$color_styles = 'body{background-color: #ffffff;}.wp-element-button, .wp-block-button__link{color: #ffffff;}';
 		$expected     = $base_styles . $color_styles;
 		$this->assertSame( $expected, $theme_json->get_stylesheet() );
@@ -3578,7 +3578,7 @@ public function test_get_property_value_recursion() {
 			)
 		);
 
-		$base_styles  = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles  = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$color_styles = 'body{background-color: #ffffff;color: #ffffff;}.wp-element-button, .wp-block-button__link{color: #ffffff;}';
 		$expected     = $base_styles . $color_styles;
 		$this->assertSame( $expected, $theme_json->get_stylesheet() );
@@ -3603,7 +3603,7 @@ public function test_get_property_value_self() {
 			)
 		);
 
-		$base_styles  = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$base_styles  = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$color_styles = 'body{background-color: #ffffff;}';
 		$expected     = $base_styles . $color_styles;
 		$this->assertSame( $expected, $theme_json->get_stylesheet() );
@@ -3634,7 +3634,7 @@ public function test_get_styles_for_block_with_padding_aware_alignments() {
 			'selector' => 'body',
 		);
 
-		$expected    = 'body { margin: 0; }.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }.has-global-padding :where(.has-global-padding:not(.wp-block-block)) { padding-right: 0; padding-left: 0; }.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }.has-global-padding :where(.has-global-padding:not(.wp-block-block)) > .alignfull { margin-right: 0; margin-left: 0; }.has-global-padding > .alignfull:where(:not(.has-global-padding):not(.is-layout-flex):not(.is-layout-grid)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),.wp-block:not(.alignfull),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),.wp-block:not(.alignfull),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}body{--wp--style--root--padding-top: 10px;--wp--style--root--padding-right: 12px;--wp--style--root--padding-bottom: 10px;--wp--style--root--padding-left: 12px;}';
+		$expected    = 'body { margin: 0; }.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }.has-global-padding :where(.has-global-padding:not(.wp-block-block)) { padding-right: 0; padding-left: 0; }.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }.has-global-padding :where(.has-global-padding:not(.wp-block-block)) > .alignfull { margin-right: 0; margin-left: 0; }.has-global-padding > .alignfull:where(:not(.has-global-padding):not(.is-layout-flex):not(.is-layout-grid)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),.wp-block:not(.alignfull),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),.wp-block:not(.alignfull),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}body{--wp--style--root--padding-top: 10px;--wp--style--root--padding-right: 12px;--wp--style--root--padding-bottom: 10px;--wp--style--root--padding-left: 12px;}';
 		$root_rules  = $theme_json->get_root_layout_rules( WP_Theme_JSON_Gutenberg::ROOT_BLOCK_SELECTOR, $metadata );
 		$style_rules = $theme_json->get_styles_for_block( $metadata );
 		$this->assertSame( $expected, $root_rules . $style_rules );
@@ -3662,7 +3662,7 @@ public function test_get_styles_for_block_without_padding_aware_alignments() {
 			'selector' => 'body',
 		);
 
-		$expected    = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}body{padding-top: 10px;padding-right: 12px;padding-bottom: 10px;padding-left: 12px;}';
+		$expected    = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}body{padding-top: 10px;padding-right: 12px;padding-bottom: 10px;padding-left: 12px;}';
 		$root_rules  = $theme_json->get_root_layout_rules( WP_Theme_JSON_Gutenberg::ROOT_BLOCK_SELECTOR, $metadata );
 		$style_rules = $theme_json->get_styles_for_block( $metadata );
 		$this->assertSame( $expected, $root_rules . $style_rules );
@@ -3707,7 +3707,7 @@ public function test_get_styles_with_appearance_tools() {
 			'selector' => 'body',
 		);
 
-		$expected   = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: ; margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: ; }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: 1;margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: 1;margin-block-end: 0;}:where(body .is-layout-flex) {gap: 1;}:where(body .is-layout-grid) {gap: 1;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$expected   = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.wp-site-blocks) > * { margin-block-start: ; margin-block-end: 0; }:where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }:where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }body { --wp--style--block-gap: ; }:where(body .is-layout-flow)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-flow)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-flow)  > *{margin-block-start: 1;margin-block-end: 0;}:where(body .is-layout-constrained)  > :first-child:first-child{margin-block-start: 0;}:where(body .is-layout-constrained)  > :last-child:last-child{margin-block-end: 0;}:where(body .is-layout-constrained)  > *{margin-block-start: 1;margin-block-end: 0;}:where(body .is-layout-flex) {gap: 1;}:where(body .is-layout-grid) {gap: 1;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$root_rules = $theme_json->get_root_layout_rules( WP_Theme_JSON_Gutenberg::ROOT_BLOCK_SELECTOR, $metadata );
 		$this->assertSame( $expected, $root_rules );
 	}
@@ -4632,7 +4632,7 @@ public function data_update_separator_declarations() {
 						'background' => 'blue',
 					),
 				),
-				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{background-color: blue;color: blue;}',
+				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{background-color: blue;color: blue;}',
 			),
 			// If background and text are defined, do not include border-color, as text color is enough.
 			'background and text, no border-color' => array(
@@ -4642,7 +4642,7 @@ public function data_update_separator_declarations() {
 						'text'       => 'red',
 					),
 				),
-				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{background-color: blue;color: red;}',
+				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{background-color: blue;color: red;}',
 			),
 			// If only text is defined, do not include border-color, as by itself is enough.
 			'only text'                            => array(
@@ -4651,7 +4651,7 @@ public function data_update_separator_declarations() {
 						'text' => 'red',
 					),
 				),
-				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{color: red;}',
+				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{color: red;}',
 			),
 			// If background, text, and border-color are defined, include everything, CSS specificity will decide which to apply.
 			'background, text, and border-color'   => array(
@@ -4664,7 +4664,7 @@ public function data_update_separator_declarations() {
 						'color' => 'pink',
 					),
 				),
-				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{background-color: blue;border-color: pink;color: red;}',
+				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{background-color: blue;border-color: pink;color: red;}',
 			),
 			// If background and border color are defined, include everything, CSS specificity will decide which to apply.
 			'background, and border-color'         => array(
@@ -4676,7 +4676,7 @@ public function data_update_separator_declarations() {
 						'color' => 'pink',
 					),
 				),
-				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{background-color: blue;border-color: pink;}',
+				'expected_output' => 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}.wp-block-separator{background-color: blue;border-color: pink;}',
 			),
 		);
 	}
@@ -4739,7 +4739,7 @@ public function test_get_shadow_styles_for_blocks() {
 			)
 		);
 
-		$global_styles   = 'body{--wp--preset--shadow--natural: 5px 5px 0 0 black;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width: var(--wp--style--global--content-size);margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignwide{max-width: var(--wp--style--global--wide-size);}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
+		$global_styles   = 'body{--wp--preset--shadow--natural: 5px 5px 0 0 black;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-constrained > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-constrained > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}';
 		$element_styles  = 'a:where(:not(.wp-element-button)){box-shadow: var(--wp--preset--shadow--natural);}.wp-element-button, .wp-block-button__link{box-shadow: var(--wp--preset--shadow--natural);}p{box-shadow: var(--wp--preset--shadow--natural);}';
 		$expected_styles = $global_styles . $element_styles;
 		$this->assertSame( $expected_styles, $theme_json->get_stylesheet() );