dropmarker { width: 15px; -moz-box-align: center; -moz-box-pack: center; border: 1px outset #CCD0DD; background-color: #CCD0DD; padding: 1px; list-style-image: url("chrome://global/skin/arrow/arrow-down.gif"); } dropmarker:hover:active { border: 1px inset #CCD0DD; padding: 2px 0 0 2px; } dropmarker[disabled="true"] { list-style-image: url("chrome://global/skin/arrow/arrow-down-disabled.gif"); border: 1px outset #CCD0DD !important; padding: 1px !important; }