html,body{
	margin:0;
	padding:0;
}

body{
	font: 76% arial,sans-serif;
	background-color: #F0F780;
}

#center {
	padding: 0;
	margin:0;
	width:700px; 
	height:600px; 
	position:absolute; 
	top:50%; 
	left:50%; 
	margin:-300px auto auto -350px; 
	border:1px solid black; 
	text-align:center;
	background-image: url("../images/fondo.jpg");
	background-repeat: no-repeat;
	background-color: #F0F780;
}