body {}

.dropdown {float:left; margin:0; padding-right:2px; margin-top:0; font:10px Arial, Helvetica}
.dropdown dt {
	width:87px;
	height:27px;
	cursor:pointer;
	background:url(images/btn_contratobase.jpg);
	color: #FFF;
	padding-top: 2px;
	font:11px Arial, Helvetica;
}
.dropdown dt:hover {background:url(images/btn_contratobase.jpg)}
/*.dropdown dd {
	position: absolute;
	overflow:hidden;
	width:323px
	display:none;
	background:#fff;
	z-index:200;
	opacity:0%;
	left:425px
	top: 300px;490px
	height: 27px;


}*/

.dropdown dd {position:absolute; overflow:hidden; width:180px; display:none; background:#fff; z-index:200; opacity:0%;  }
.dropdown ul {width:87px; padding: 0;  margin: 0; border:1px solid #d3e5eb; 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:#eaf0f2; width:194px}
.dropdown a:hover {background:#d9e1e4; color:#000; font-style:normal}
.dropdown .underline {border-bottom:1px solid #b9d6dc}