.dropdown {float:left; padding:0; margin:0;}
.dropdown dt {border:0px padding:0; margin:0; cursor:pointer;}
.dropdown dt:hover {}
.dropdown dd {position:absolute; overflow:hidden; display:none; z-index:200; opacity:0}
.dropdown ul {border:0px padding:0; margin:0; list-style:none; border-top:none}
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:0; margin:0;}
.dropdown a:hover {}