.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/e/e/csm_Wien_Referenz45_0e829db882.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/e/e/csm_Wien_Referenz45_f1f7c7d19a.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/e/e/csm_Wien_Referenz45_207d0fd209.jpg); } }