.grenzer {
	color: #EBEC00;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
}

#750 {
	border: solid 1px #0000FF;
	height: 450px;
	left: 0px;
	position: absolute;
	text-align: right;
	text-align: right;
	top: 0px;
	width: 750px;
	z-index: 100;
}

#900 {
	border: solid 1px #FF0000;
	height: 600px;
	left: 0px;
	position: absolute;
	text-align: right;
	top: 0px;
	width: 900px;
	z-index: 100;
}