body {margin-left:25px;   font:13px Verdana, Arial, Helvetica}
* {padding:0; margin:0}
.dropdown {float:left; padding-right:none}
.dropdown dt {width:140px; border:none; padding:none; font-weight:bold; cursor:pointer; background:none}
.dropdown dt:hover {background:none}
.dropdown dd {position:absolute; overflow:hidden; width:255px; display:none; background:; z-index:0; opacity:0}
.dropdown ul {width:0px; border:none; list-style:none; border-top:none}
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:none; color:#000000; text-decoration:none; background:url(gif/dropdown_backgroud.gif); width:0px}
.dropdown a:hover {background:#000000; color:#ffffff}
.dropdown .underline {border-bottom:none}