BODY {
	background-image:url(images/fondo1.gif);
font : 8pt Verdana, Geneva, Arial, Helvetica, sans-serif; 
color : #666666; 
margin : 20px 0px 20px 0px; 
text-align: center; 
} 


#base{
	text-align: left;
	width: 800px;
	background-color:#FFF;
	margin: auto;
	border-bottom-width: thin;
}

ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

li {
  float: left;
  position: relative;
  width: 100px;
  }

li ul {
  display: none;
  position: absolute; 
  top: 1em;
  left: 0;
  }

li > ul {
	top: auto;
	left: auto;
	}

li:hover ul {
	display: block;
	}