.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/7/2/csm_Messe_f8131ad4b5.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/7/2/csm_Messe_70e2f55a38.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/7/2/csm_Messe_0815632a0c.jpg); } }