.dropdown {display:block; position:relative}
.dropdown div {position:absolute; top:12px; overflow:hidden;  width: 190px; display:none; background:#90c6da; opacity: 0; }
.dropdown li { }
.dropdown div a { color: #fff; display: block; height: 25px; line-height: 25px; padding: 1px 10px 1px 16px; border-bottom: solid 1px #afd9e8; }
.dropdown div a:hover { color: #2d7490;  background: #afd9e8; }