html{
	width: 100%; 
	height: 100%;
}
body {
	margin: 0px;
	padding: 0px;
	width: 100%; 
	height: 100%;
}
#container { 
	width: 100%; 
	height: 100%; 
	display: table; 
}
#position { 
	display: table-cell; 
	vertical-align: middle; 
}
#content { 
	margin: auto auto;
	width: 800px;
	height: 600px;
}