* {padding:0; margin:0}
.dropdown     { text-decoration: none; margin-left: 4px; padding-right: 5px; padding-left: 5px; float: left }
.dropdown dt      { background-image: url("../images/header.gif"); cursor: pointer; padding: 4px; width: 164px; border: solid 1px #999 }
.dropdown dt:hover  { background-image: url(../images/header_over.gif) }
.dropdown dd   { background: #fff; display: none; position: absolute; z-index: 165; width: 175px; overflow: hidden; opacity: 0  }
.dropdown ul   { list-style: none; width: 171px; border-style: none solid solid; border-width: medium 1px 1px; border-color: #999 }
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited   { color: #333; text-decoration: none; background: #eaf0f2; display: block; padding: 5px; width: 161px }
.dropdown a:hover  { color: #000; background: #d9e1e4 }
.dropdown .underline  { border-bottom: 1px solid #ccc }