body {margin:20px; font:11px Verdana, Arial, Helvetica}
* {padding:0; margin:0}
.dropdown {float:left; padding-right:0px;}
.dropdown dt {font-weight:bold; cursor:pointer}
.dropdown dd {position:absolute; overflow:hidden; display:none; background:#000; z-index:200; opacity:0}
.dropdown ul {width:140px; border:none; list-style:none;}
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:4px; color:#fff; text-align:left; text-decoration:none; background:#000;}
.dropdown a:hover {background:#000; color:#c00}
.dropdown .underline {border-bottom:0px;}