body {
text-align:center;
background-image:url(image/titelkomposition.jpg);
margin:0px;
padding:0px;
}

#nr1 {
text-align:left;
width:760px;
margin:0px auto;
}

#nr2 {
float:left;
width:50%;
height:320px;
background-color:#f1f5e6;
}

#nr3 {
float:right;
width:50%;
height:320px;
background-color:#dfdfd5;
}

#nr4 {
float:left;
width:50%;
height:320px;
background-color:#e7f1cf;
}

#nr5 {
float:right;
width:50%;
height:320px;
background-color:#d7d8ce;
}

.buecherwurm {
margin-top:190px;
margin-left:50px;
}

.buecher_und_mehr {
margin-top:270px;
margin-left:32px;
border:none;
}

.konstantin_kowark {
margin-top:20px;
margin-left:120px;
}

.service_fuer_bibliotheken {
margin-top:23px;
margin-left:170px;
border:none;
}

a:link {
}

a:visited {
}

a:hover {
}

a:active {
}

a:focus {
}