html, body {
	height: 100%;
}
body {
	text-align: center;
	padding: 0;
	margin: 0;
}
div#afstand { 
	margin-bottom: -305px;
	width: 1px;
	height: 50%;
	float: left;
}
div#centreer {
	position: relative;
	text-align: left;
	height: 586px;
	width: 1000px;
	margin: 0 auto;
	clear: left;
}