.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/8/3/csm_Siegen_e9963490ac.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/8/3/csm_Siegen_5e0af3d16f.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/8/3/csm_Siegen_2e85f01713.jpg); } }