UX: Fix focus style for post edit history button (#12757)

UX: Fix focus style for post edit history button (#12757)

diff --git a/app/assets/stylesheets/common/base/topic-post.scss b/app/assets/stylesheets/common/base/topic-post.scss
index 553f05c..6fb2ec9 100644
--- a/app/assets/stylesheets/common/base/topic-post.scss
+++ b/app/assets/stylesheets/common/base/topic-post.scss
@@ -706,6 +706,10 @@ blockquote {
           }
         }
       }
+      &:focus {
+        @include default-focus;
+        background: transparent;
+      }
     }
   }
 }

GitHub sha: 62e882ad

This commit appears in #12757 which was approved by CvX. It was merged by awesomerobot.