.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/9/9/csm_Darmstadt_f14423763b.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/9/9/csm_Darmstadt_bac4db3f64.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/9/9/csm_Darmstadt_6697c78e33.jpg); } }