.header {
background: url(header_universitaetsseminar.jpg);
}

a, ul.subnav li a:hover {
color: #087385;
}

ul.subnav li.active {
background: url(subnav_grad_active_kurse.jpg);
}

.content_head {
background: url(balken_bwl.jpg);
background-repeat: no-repeat;
height: 64px;
}