UX: mages edit post event standout less

assets/javascripts/discourse/widgets/discourse-post-event.js.es6

@@ -152,7 +152,7 @@ export default createWidget("discourse-post-event", {
             {{attach
               widget="button"
               attrs=(hash
-                className="btn-small"
+                className="btn-small edit-post-event"
                 icon="pencil-alt"
                 action="editPostEvent"
                 actionParam=state.eventModel.id

assets/stylesheets/common/discourse-post-event.scss

@@ -47,6 +47,14 @@
     .actions {
       margin-bottom: auto;
       margin-left: auto;
+
+      .edit-post-event {
+        background: none;
+
+        &:hover {
+          background: $primary-medium;
+        }
+      }
     }
   }