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-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,