html,body {
	margin: 0;
	padding: 0;
	background-color: #091C2E;
}
#grachtenboten {
	background-color: #51667E;
	height: 570px;
	width: 100%;
	position:absolute;
	top: 50%;
	margin-top: -285px;
}
object { 
	outline:none; 
}