html, body {
    height: 100%;
}

body {
	margin: 0px;
	padding: 0px;
	background-color: #000;
	font-family: "Lucida Grande" , verdana , tahoma , sans-serif;
}

#hideme {
	display: none;
	color: #fff;
}

#content {
	position:absolute;
	left: 50%;
	top: 50%;
	width: 700px;
	height: 500px;
	margin-left: -350px;
	margin-top: -250px;
}