-webkit-appearance: none;
   -moz-appearance: none;
        appearance: none;

    -webkit-appearance: auto;
   -moz-appearance: auto;
        appearance: auto;

    -webkit-appearance: menulist-button;
   -moz-appearance: menulist-button;
        appearance: menulist-button;

    -webkit-appearance: button;
   -moz-appearance: button;
        appearance: button;