app/assets/javascripts/mercury/dialogs/style.js.coffee in mercury-rails-0.1.0 vs app/assets/javascripts/mercury/dialogs/style.js.coffee in mercury-rails-0.1.1

@@ -1,4 +1,4 @@
 @Mercury.dialogHandlers.style = ->
   @element.find('[data-class]').click (event) =>
-    className = $(event.target).attr('class')
+    className = $(event.target).data('class')
     Mercury.trigger('action', {action: 'style', value: className})