diff --git a/app/assets/stylesheets/application/topic.css.scss b/app/assets/stylesheets/application/topic.css.scss
index 6b5a30472e8..55bb02980bf 100644
--- a/app/assets/stylesheets/application/topic.css.scss
+++ b/app/assets/stylesheets/application/topic.css.scss
@@ -346,7 +346,7 @@ kbd {
   width: 0;
   bottom: 0px;
   right: 50%;
-  z-index: 1;
+  z-index: 500;
   outline: 1px solid transparent;
 }