.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/7/5/csm_Aachen_052b1da020.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/7/5/csm_Aachen_c5967e835f.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/7/5/csm_Aachen_e05931dd89.jpg); } }