.impressum a:hover {
	border-top-width: 1px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-right-style: solid;
	border-left-style: solid;
	color: #FFFFFF;
}
.impressum a {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #BBBBBB;
	text-align: center;
	letter-spacing: 0.1em;
	clip: rect(0px,auto,auto,auto);
	top: 0px;
	text-decoration: none;
	padding-top: 10px;
	padding-right: 3px;
	padding-bottom: 10px;
	padding-left: 4px;
	margin: 0px;
}
.imp_border {
	padding-top: 4px;
}
.background1 {
	background-image: url(images/main_sphere.jpg);
	background-repeat: no-repeat;
}
.background2 {
	background-image: url(images/main_sphere2.jpg);
	background-repeat: no-repeat;
}