.dropdown {}
.dropdown dt {width:165px;height:24px; border:outset 1px; cursor:pointer; background:url(../css/images/menu_back.jpg);}
.dropdown dt:hover {background:url(../css/images/menu_back_hover.jpg)}
.dropdown dd {position:absolute; overflow:hidden; width:200px; display:none; background:#fff; z-index:200; opacity:0}
.dropdown ul {width:200px; border:2px outset #9c9; list-style:none; border-top:none}
.dropdown li {display:block; background:url(../css/images/menu_back.jpg); border-left:ridge #060 5px;}
.dropdown li:hover {display:block;background:url(../css/images/menu_back_hover.jpg);}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; text-decoration:none; padding:3px 5px;}
.dropdown a:hover {}
.dropdown .underline {border-bottom:1px solid #b9d6dc}