.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/b/c/csm_Karlsruhe_963ed9872f.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/b/c/csm_Karlsruhe_c177f7d401.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/b/c/csm_Karlsruhe_d3170be24a.jpg); } }