list-style-image: url("chrome://global/skin/arrow/arrow-down.gif");
}
toolbarbutton[type="menu-button"]:hover:active > .toolbarbutton-menubutton-dropmarker,
toolbarbutton[type="menu-button"][buttondown="true"] > .toolbarbutton-menubutton-dropmarker,
toolbarbutton[type="menu-button"][open="true"] > .toolbarbutton-menubutton-dropmarker {
list-style-image: url("chrome://global/skin/arrow/arrow-down.gif");
}
toolbarbutton[type="menu-button"]:hover:active > .toolbarbutton-menubutton-dropmarker,
toolbarbutton[type="menu-button"][buttondown="true"] > .toolbarbutton-menubutton-dropmarker,
toolbarbutton[type="menu-button"][open="true"] > .toolbarbutton-menubutton-dropmarker {