--- a/browser/themes/windows/customizableui/panelUIOverlay.css
+++ b/browser/themes/windows/customizableui/panelUIOverlay.css
@@ -129,20 +129,18 @@ menu[disabled="true"].subviewbutton > .m
 %ifdef WINDOWS_AERO
 /* Win8 and beyond. */
 @media not all and (-moz-os-version: windows-vista) {
   @media not all and (-moz-os-version: windows-win7) {
     panelview .toolbarbutton-1,
     .subviewbutton,
     .widget-overflow-list .toolbarbutton-1,
     .panelUI-grid .toolbarbutton-1 > .toolbarbutton-menubutton-button,
+    #BMB_bookmarksPopup menupopup[placespopup=true] > hbox,
+    #edit-controls@inAnyPanel@,
+    #zoom-controls@inAnyPanel@,
     #edit-controls@inAnyPanel@ > toolbarbutton,
     #zoom-controls@inAnyPanel@ > toolbarbutton {
       border-radius: 0;
     }
-
-    #edit-controls@inAnyPanel@,
-    #zoom-controls@inAnyPanel@ {
-      border-radius: 0;
-    }
   }
 }
 %endif