@import url("universum.css");
.li_ra {
	background-image: url(pics/li_trenner.jpg);
}
.re_ra {
	background-image: url(pics/re_trenner.jpg);
}
.li_tr {
	background-image: url(pics/li_trenner.jpg);
}
.re_tr {
	background-image: url(pics/re_trenner.jpg);
}
.logo {
	background-image: url(pics/header.jpg);
}
.footer {
	background-image: url(pics/footer.jpg);
}
.nav_bg {
	background-image: url(pics/nav_bg.jpg);
}
.nav_puff {
	background-image: url(pics/nav_puff.jpg);
}
.nav_end {
	background-image: url(pics/nav_down.jpg);
}
.nav_top {
	background-image: url(pics/nav_top.jpg);
}