diff --git a/app/assets/stylesheets/application/topic.css.scss b/app/assets/stylesheets/application/topic.css.scss
index a63f92353..6b5a30472 100644
--- a/app/assets/stylesheets/application/topic.css.scss
+++ b/app/assets/stylesheets/application/topic.css.scss
@@ -387,7 +387,7 @@ kbd {
     z-index: 1;
   }
   button {
-    padding: 0;
+    padding: 0 1px;
     cursor: pointer;
     z-index: 1000;
     position: absolute;