.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/6/b/csm_aachen_sightseeing_9cace72040.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/6/b/csm_aachen_sightseeing_2f9e0e66d7.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/6/b/csm_aachen_sightseeing_cf370031c3.jpg); } }