.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/a/0/csm_Bochum_faf5c793ce.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/a/0/csm_Bochum_4c1ea7bab8.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/a/0/csm_Bochum_693afec2e0.jpg); } }