body{
	margin:0;
	background-color:#ffffff;
	margin-bottom: 0px;
	margin-left: 0px;
	margin-right: 0px;
	margin-top: 0px;
	marginwidth: 0px;
	marginheight: 0px;
	padding: 0px;
	height:100%;
}
#contener {
	top:0px;
	position: relative;
	width: 550px;
	height:100%;
	margin: 0 auto;
	margin-left: auto;
	margin-right: auto;
	color:#ffffff;
}
#tresc {
	position:absolute;
	left:0px;
	top:40px;
	width:550px;
	height:400px;
}