diff --git a/packages/docusaurus-theme-classic/src/theme/AnnouncementBar/styles.module.css b/packages/docusaurus-theme-classic/src/theme/AnnouncementBar/styles.module.css
index 74969ee6515c..a357446eb75d 100644
--- a/packages/docusaurus-theme-classic/src/theme/AnnouncementBar/styles.module.css
+++ b/packages/docusaurus-theme-classic/src/theme/AnnouncementBar/styles.module.css
@@ -29,8 +29,8 @@ html[data-announcement-bar-initially-dismissed='true'] .announcementBar {
 .announcementBarClose {
   flex: 0 0 30px;
   align-self: stretch;
-  padding: 0;
-  line-height: 0;
+  padding: 0 !important;
+  line-height: 0 !important;
 }
 
 .announcementBarContent {