html {
	background-attachment: fixed;
	background-color: 7a7a7a;
	background-image: url(hintergrund.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	margin: 0;
	padding: 0;
	margin-bottom: 0px;
	margin-left: 0px;
	margin-right: 0px;
	margin-top: 0px;
	padding-bottom: 0px;
	padding-left: 0px;
	padding-right: 0px;
	padding-top: 0px;
}