* {padding:0; margin:0}

.dropdown {display:block; position:relative; margin-top:2px;}
.dropdown dt {width:150px; height:20px; border-bottom:solid 1px #cccccc; padding:0px; font-weight:normal; cursor:pointer; margin-left:35px; margin-top:0px; z-index:100;}
.dropdown .upperdd {border-bottom:none}
.dropdown dt:hover {background:url(images/header_over.gif)}
.dropdown dd {position:absolute; top:0; overflow:hidden; width:170px; display:none; background:#fff; opacity:0 z-index:100;}
.dropdown ul {width:166px; border:2px solid #9ac1c9; list-style:none z-index:100;}
.dropdown li {display:inline z-index:100;}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:5px; color:#333; text-decoration:none; background:#eaf0f2; width:156px}
.dropdown a:hover {background:#d9e1e4; color:#000}
.dropdown .underline {border-bottom:1px solid #b9d6dc}