#index		{ position:absolute; top:40%; left:50%; width: 200px; height: 62px; margin-left: -100px; margin-top: -31px; text-align: center; }
#impressum	{ position:absolute; top:40%; left:50%; width: 176px; height: 180px; margin-left: -88px; margin-top: -90px; }

a:link    	{ text-decoration: none; color: #000; }
a:visited 	{ text-decoration: none; color: #000; }
a:active  	{ text-decoration: none; color: #000; }
a:hover   	{ font-weight: bold; text-decoration: none; color: #000; }