Bug 617051 - app menu panes should not have a separator when using a 'windows-default-theme' theme. r=dao, ui-r=faaborg, a=gavin

browser/themes/winstripe/browser/browser.css

@@ -213,6 +213,7 @@
   #appmenuPrimaryPane {
     background-color: rgba(255,255,255,0.5);
     padding: 2px;
+    -moz-border-end: none;
   }
   #appmenuSecondaryPane {
     background-color: #f1f5fb;