#nav {
position: absolute;
background-image: url(../images/topbackground.gif);
z-index: 1;
width: 955px;
height: 167px;
left: 50%;
margin-left: -477px; /* negative Hälfte von width:955px */
text-align: left;
font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;
}
#button {
position: absolute; 
z-index: 7;
top: 117px;
left: 187px;
}
#fleissig {
position: absolute;
z-index: 5;
top: 35px;
left: 224px;
}
#logo {
position: absolute;
z-index: 6;
top: 0px;
left: 0px;
}
#obenrechts {
position: absolute;
z-index: 8;
top: 0px;
right: 0px;
/*left: 648px;*/
}
#impressum {
position: absolute;
z-index: 9;
top: 141px;
left: 880px;
}
a {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 9px;
	font-style: normal;
	color: #FFFFFF;
}
a img {border: none;}
#main {
z-index: 2;
position:absolute;
background-image: url(../images/backunten.jpg);
width: 955px;
height: 533px;
top: 167px;
left: 50%;
margin-left: -477px; /* negative Hälfte von width:955px */
text-align: left;
font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px;"
}