Bug 598620 - Feedback button in the right panel is not transparent [r=mfinkle]

mobile/app/profile/extensions/feedback@mobile.mozilla.org/content/overlay.xul

@@ -48,7 +48,7 @@
   <script type="application/javascript" src="chrome://feedback/content/overlay.js"/>
 
   <box id="panel-controls">
-    <toolbarbutton id="tool-feedback" autocheck="true" type="radio" group="1" class="panel-button button-dark" linkedpanel="feedback-container" insertbefore="tool-addons"/>
+    <toolbarbutton id="tool-feedback" autocheck="true" type="radio" group="1" class="panel-button button-image" linkedpanel="feedback-container" insertbefore="tool-addons"/>
   </box>
 
   <deck id="panel-items">

mobile/app/profile/extensions/feedback@mobile.mozilla.org/skin/overlay.css

@@ -1,12 +1,15 @@
 #tool-feedback {
   list-style-image: url("chrome://feedback/skin/beta-32.png");
+  background: url(chrome://browser/skin/images/toolbarbutton-default-64.png) no-repeat !important;
+  width: 64px;
+  height: 64px;
 }
 
+#tool-feedback:not([disabled="true"]):hover:active,
 #tool-feedback[checked="true"] {
-  -moz-border-image: url("chrome://browser/skin/images/toggledarkboth-active-64.png") 10 repeat repeat;
+  background: url(chrome://browser/skin/images/toolbarbutton-active-64.png) no-repeat !important;
 }
 
-
 #feedback-feedback-happy {
   list-style-image: url("chrome://feedback/skin/happy-32.png");
 }