.dropdown {float:right; padding-right:5px}
.dropdown dt {width:150px; cursor:pointer;}
.dropdown dd {position:absolute; margin-top:10px; overflow:hidden; width:150px; display:none; background:#fff; z-index:200; opacity:0}
.dropdown ul {width:150px; list-style:none; border-top:none}
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:5px; color:#333; text-decoration:none; background:#F2F2F2; width:150px}
.dropdown a:hover {background:#CCCCCC; color:#000}
.dropdown .underline {border-bottom:1px solid  #CCCCCC;}