body {
	margin: 0;
	padding: 0;
	background: #4c4c4c url(bg.jpg);
	font-family: "Helvetica", "Verdana", sans-serif;
	color: #e0e0e0;
}

a {
	color: #e0e0e0;
	text-decoration: none;
}

img {
	border: 0;
}

div.center {
	margin: 50px auto;
	width: 648px;
	height: 600px;
}

a.go1 {
	background: url(go1.jpg);
	display: block;
	height: 600px;
	width: 324px;
	text-indent: -9999px;
	float: left;
}

a.go1:hover {
	background-position: 324px;
}

a.go2 {
	background: url(go2.jpg);
	display: block;
	height: 600px;
	width: 324px;
	text-indent: -9999px;
	float: left;
}

a.go2:hover {
	background-position: 324px;
}