body {margin:25px; font:12px Verdana, Arial, Helvetica}
* {padding:0; margin:0}
.dropdown {float:left; padding-right:5px}
.dropdown dt {width:64px; padding-top:48px; font-weight:normal; cursor:pointer;}
.dropdown dt:hover {}
.dropdown dd {position:absolute; overflow:hidden; width:68px; display:none; background:#fff; z-index:200; opacity:0}
.dropdown ul {width:68px; list-style:none; border-top:none}
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; color:#333; text-decoration:none; background:#fff; width:194px}
.dropdown a:hover {background:#d9e1e4; color:#000}
.dropdown .underline {border-bottom:1px solid #fff}