#art {
	height: 200px;
	width: 200px;
	position: relative;
	background-image: url(../images/galerie-art.jpg);
	top: 10px;
}
#natur {
	height: 200px;
	width: 200px;
	position: relative;
	background-image: url(../images/galerie-natur.jpg);
	left: 200px;
	top: 20px;
}
#architektur {
	height: 200px;
	width: 200px;
	position: relative;
	background-image: url(../images/galerie-architektur.jpg);
	top: -20px;
	left: 100px;
}