Updated.

modules/gallery/_gallery_widget4.html.erb

@@ -35,17 +35,4 @@
       </div>
     </div>
   </div>
-  <script>
-    $(document).ready(function(){
-      $('[data-subpart-id="{{subpart-id}}"] .card-body a').on('focusin', function(){
-        var _this = $(this);
-        var card_flip = _this.parents('.card-flip');
-        card_flip.addClass('hover-class');
-        var off_hover = function(){
-          card_flip.removeClass('hover-class');
-        }
-        _this.one('focusout', off_hover);
-      })
-    })
-  </script>
 </div>