Merge branch '17343-a-tag-code' into 'master'

Align code within links in comments

Closes #17343

<img src="/uploads/78e03c1dc0e99c7bdb686d9d120a4525/Screen_Shot_2016-05-06_at_9.28.26_AM.png" width="800px">

See merge request !4073

app/assets/stylesheets/pages/notes.scss

@@ -168,6 +168,11 @@ ul.notes {
       .notes {
         background-color: $white-light;
       }
+
+      a code {
+        top: 0;
+        margin-right: 0;
+      }
     }
   }
 }