body {margin:25px; font:12 Verdana, Arial, Helvetica}
* {padding:0; margin:0}
.dropdown {float:left; padding-right:5px}
.dropdown dt {width:90px; border:2px solid #1a1a1a; padding:0px; font-weight:bold; cursor:pointer; background:url(images/header.gif)}
.dropdown dt:hover {background:url(images/header_over.gif)}
.dropdown dd {position:absolute; overflow:hidden; width:90px; display:none; background:#1a1a1a; z-index:200; opacity:0}
.dropdown ul {width:90px; border:1px solid #1a1a1a; list-style:none; border-top:none}
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:0px; color:#fff; text-decoration:none; background:#1a1a1a; width:93px}
.dropdown a:hover {background:#ffffff; color:#000}
.dropdown .underline {border-bottom:1px solid #a9a9a9}