.navAktuelles {
	background-image: url(../img/htgr_aktuelles.jpg);
	background-repeat: no-repeat;
	background-color: #660000;

}
.navUeber {
	background-image: url(../img/htgr_ueber.jpg);
	background-repeat: no-repeat;
	background-color: #660000;
}
.navTechnik {
	background-image: url(../img/htgr_technik.jpg);
	background-repeat: no-repeat;
	background-color: #660000;
}

.navInteraktiv {
	background-image: url(../img/htgr_interaktiv.jpg);
	background-repeat: no-repeat;
	background-color: #660000;
}
.navIntern {
	background-repeat: no-repeat;
	background-color: #990000;
}