diff --git a/core/themes/claro/claro.libraries.yml b/core/themes/claro/claro.libraries.yml
index cde2ce22db..ea1df46317 100644
--- a/core/themes/claro/claro.libraries.yml
+++ b/core/themes/claro/claro.libraries.yml
@@ -59,6 +59,7 @@ global-styling:
       css/components/views-ui.css: {}
     theme:
       css/theme/colors.css: {}
+      css/theme/ckeditor-editor.css: {}
     layout:
       css/layout/breadcrumb.css: {}
       css/layout/local-actions.css: {}
diff --git a/core/themes/claro/css/theme/ckeditor-editor.css b/core/themes/claro/css/theme/ckeditor-editor.css
index bb3dc4abe8..566e5ce07d 100644
--- a/core/themes/claro/css/theme/ckeditor-editor.css
+++ b/core/themes/claro/css/theme/ckeditor-editor.css
@@ -93,3 +93,9 @@
 [disabled] + .cke .cke_path_empty::after {
   content: none;
 }
+.ckeditor-buttons li a:focus {
+  outline: -webkit-focus-ring-color auto 1px;
+}
+.ckeditor-buttons li a:hover {
+  outline: -webkit-focus-ring-color auto 1px;
+}