#mainNav  li.traeger {
    background-image:url("/files/user_upload/navigation-background/tffb/Haus_hauptnav.jpg");
}
#mainNav  li.pflege {
    background-image:url("/files/user_upload/navigation-background/tffb/Pflege_hauptnav.jpg");
}
#mainNav  li.wohnen {
    background-image:url("/files/user_upload/navigation-background/tffb/DSC_0014-4.jpg");
}
#mainNav  li.karriere {
    background-image:url("/files/user_upload/navigation-background/tffb/Ausbildung_Karriere_hauptnav.jpg");
}