diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cb6e22bc8..f1bd3b8a7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,8 +27,11 @@ jobs:
       - name: Install npm dependencies
         run: npm ci
 
-      - name: Test
-        run: npm test
+      - name: Lint
+        run: npm run lint
+
+      - name: Build
+        run: npm run build
 
       - name: Upload build files
         uses: actions/upload-artifact@v2
diff --git a/src/css/_main-layout.scss b/src/css/_main-layout.scss
index 26e4b654a..be642d66d 100644
--- a/src/css/_main-layout.scss
+++ b/src/css/_main-layout.scss
@@ -154,19 +154,17 @@
 }
 
 .output-switcher {
-  filter: contrast(0) brightness(150%) saturate(100%);
   opacity: 0;
 
   &.transition {
-    transition: filter 0.5s ease-out 0.5s, opacity 0.5s ease-out 0.5s;
+    transition: opacity 0.5s ease-out 0.5s;
 
     @media (min-width: 640px) and (max-width: 900px) {
-      transition: filter 0.5s ease-out 0.6s, opacity 0.5s ease-out 0.6s;
+      transition: opacity 0.5s ease-out 0.6s;
     }
   }
 
   &.active {
     opacity: 1;
-    filter: none;
   }
 }
diff --git a/src/index.html b/src/index.html
index 66adc5ff5..f7766fc7b 100644
--- a/src/index.html
+++ b/src/index.html
@@ -86,7 +86,7 @@ <h1>SVGOMG</h1>
       </div>
       <div class="toolbar">
         <div class="menu-toolbar-item">
-          <button class="unbutton menu-btn" type="button">
+          <button class="unbutton menu-btn" type="button" title="Menu">
             {% include "partials/icons/menu.svg" %}
           </button>
         </div>
diff --git a/src/js/page/ui/bg-fill-button.js b/src/js/page/ui/bg-fill-button.js
index 22d922a4c..5460671f5 100644
--- a/src/js/page/ui/bg-fill-button.js
+++ b/src/js/page/ui/bg-fill-button.js
@@ -8,8 +8,7 @@ export default class BgFillButton extends FloatingActionButton {
       title,
       iconSvg:
         // prettier-ignore
-        '<svg class="icon" viewBox="0 0 24 24">' +
-          `<title>${title}</title>` +
+        '<svg aria-hidden="true" class="icon" viewBox="0 0 24 24">' +
           '<path d="M21.143 9.667c-.733-1.392-1.914-3.05-3.617-4.753C14.549 1.936 12.048 1 10.741 1c-.414 0-.708.094-.86.246L8.52 2.606c-1.899-.236-3.42.106-4.294.983-.876.875-1.164 2.159-.792 3.523.492 1.806 2.305 4.049 5.905 5.375.038.323.157.638.405.885.588.588 1.535.586 2.121 0s.588-1.533.002-2.119a1.5 1.5 0 0 0-2.123-.001l-.17.256c-2.031-.765-3.395-1.828-4.232-2.9l3.879-3.875c.496 2.73 6.432 8.676 9.178 9.178l-7.115 7.107c-.234.153-2.798-.316-6.156-3.675-3.393-3.393-3.175-5.271-3.027-5.498L3.96 9.989C3.521 9.63 3.035 8.886 2.819 8.3L.685 10.431C.24 10.877 0 11.495 0 12.251c0 1.634 1.121 3.915 3.713 6.506C6.477 21.521 9.293 23 11.145 23c.648 0 1.18-.195 1.547-.562l8.086-8.078c.91.874-.778 3.538-.778 4.648a2 2 0 0 0 4-.001c0-3.184-1.425-6.81-2.857-9.34zM4.934 4.296c.527-.53 1.471-.791 2.656-.761L4.381 6.741c-.236-.978-.049-1.845.553-2.445zm9.292 4.079-.03-.029C12.904 7.054 10.393 3.99 11.1 3.283c.715-.715 3.488 1.521 5.062 3.096.862.862 2.088 2.247 2.937 3.458-1.717-1.074-3.491-1.469-4.873-1.462z"/>' +
         '</svg>',
     });
diff --git a/src/js/page/ui/copy-button.js b/src/js/page/ui/copy-button.js
index 9a715da60..b0a3bb09e 100644
--- a/src/js/page/ui/copy-button.js
+++ b/src/js/page/ui/copy-button.js
@@ -8,8 +8,7 @@ export default class CopyButton extends FloatingActionButton {
       title,
       iconSvg:
         // prettier-ignore
-        '<svg class="icon" viewBox="0 0 24 24">' +
-          `<title>${title}</title>` +
+        '<svg aria-hidden="true" class="icon" viewBox="0 0 24 24">' +
           '<path d="M16 1H4C3 1 2 2 2 3v14h2V3h12V1zm3 4H8C7 5 6 6 6 7v14c0 1 1 2 2 2h11c1 0 2-1 2-2V7c0-1-1-2-2-2zm0 16H8V7h11v14z"/>' +
         '</svg>',
     });
diff --git a/src/js/page/ui/download-button.js b/src/js/page/ui/download-button.js
index e4e7b8758..0e56377b9 100644
--- a/src/js/page/ui/download-button.js
+++ b/src/js/page/ui/download-button.js
@@ -10,8 +10,7 @@ export default class DownloadButton extends FloatingActionButton {
       href: './',
       iconSvg:
         // prettier-ignore
-        '<svg class="icon" viewBox="0 0 24 24">' +
-          `<title>${title}</title>` +
+        '<svg aria-hidden="true" class="icon" viewBox="0 0 24 24">' +
           '<path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/>' +
         '</svg>',
       major: true,
diff --git a/src/partials/icons/menu.svg b/src/partials/icons/menu.svg
index 6f8405a7d..47492924e 100644
--- a/src/partials/icons/menu.svg
+++ b/src/partials/icons/menu.svg
@@ -1 +1 @@
-<svg viewBox="0 0 24 24"><title>Menu</title><path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/></svg>
+<svg aria-hidden="true" viewBox="0 0 24 24"><path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/></svg>