+toolbarbutton[type="menu-button"]:not([disabled="true"]):hover > .toolbarbutton-menubutton-dropmarker,
+toolbarbutton[type="menu-button"]:not([disabled="true"]):hover:active > .toolbarbutton-menubutton-dropmarker,
+toolbarbutton[type="menu-button"][open="true"]:not([disabled="true"]) > .toolbarbutton-menubutton-dropmarker,
+toolbarbutton[type="menu"]:not([disabled="true"]):hover .toolbarbutton-menu-dropmarker,
+toolbarbutton[type="menu"]:not([disabled="true"]):hover:active .toolbarbutton-menu-dropmarker,
+toolbarbutton[type="menu"][open="true"]:not([disabled="true"]) .toolbarbutton-menu-dropmarker {
+ list-style-image: url("chrome://global/skin/arrow/arrow-down-hover.gif");
+ -moz-image-region: auto;
+}
+
+