html,
body {
	display: block;
	height: 100%;
	overflow: hidden;
	margin: 0;
	padding: 0;
	background-color: #000;
}

#mainDiv{
	color: #333333;
	font-family:Verdana, Arial, Helvetica, sans-serif;
	font-size:10px;
	margin: 0px;
	padding: 0px;
	text-align:middle;
}