body {
	background-color: #e4e4e4;
	color: #444;
	font-size: 75%;
	font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
	line-height: 15px;
}
#exwerb {
	margin: 70px auto;
	width: 440px;
	height: 160px;
	border: 2px #c6c6c6 dashed;
	text-align: center;
	padding: 20px;
	font-size: large;
	color: #999;
	background-color: #efefef;
}
.center {
	text-align: center;
	margin-bottom: 0;
}