#kalender {
	height: 450px;
	width: 600px;
	margin-left: auto;
	margin-right: auto;
	}
	
#kalender a {
	font-size: 22px;
	font-weight: bold;
	line-height: 50px;
	color: green;
	width: 70px;
	height: 70px;
	text-align: center; 
	display: block;
	text-shadow: 2px 2px 2px #000000;
-webkit-text-shadow: 2px 2px 2px #000000;
-o-text-shadow: 2px 2px 2px #000000;
		}
#kalender a:hover {
		background-image: url(images/hover.gif);
		color: blue;	
	}
.ersteller {
text-align: center;
}