body {}
* {padding:0; margin:0}
.dropdown {float:left;}
.dropdown dt {width:162px; cursor:pointer;height:28px; }
.dropdown dt:hover {height:28px;}
.dropdown dd {position:absolute; overflow:hidden; display:none; background:#ffffff; z-index:200; opacity:0; }
.dropdown ul {width:162px; list-style:none; border-top:none;}
.dropdown li {display:inline; padding:0px; margin:0px;}
.dropdown a, .dropdown a:active, .dropdown a:visited { padding:6px; margin:0px; width:162px; text-indent:23px;}
.dropdown a:hover {text-decoration:underline; color:#333;}
.dropdown .underline {}