.dropdown {float:left; padding-right:5px}
.dropdown dt {border:0px solid #9ac1c9; padding:4px; font-weight:bold; cursor:pointer; background:url(images/header.gif)}
.dropdown dt:hover {background:url(images/header_over.gif)}
.dropdown dd {position:absolute; overflow:hidden;  display:none; background:#e2e2e2; z-index:200; opacity:0}
.dropdown ul {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:#f0f0f0;}
.dropdown a:hover {background:#c6c4c5; color:#000}
.dropdown .underline {border-bottom:0px solid #b9d6dc}