#header-photos-links {
        background-image: url('leben_in_iserlohn_FILES/kjb_FILES/kjb-links.jpg');
      }
      
      #header-photos-mitte {
        background-image: url('leben_in_iserlohn_FILES/kjb_FILES/kjb-mitte.jpg');
      }
      
      #header-photos-rechts {
        background-image: url('leben_in_iserlohn_FILES/kjb_FILES/kjb-rechts.jpg');
      }