.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/a/7/csm_Online_Event_69da8f000d.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/a/7/csm_Online_Event_09160aee6a.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/a/7/csm_Online_Event_0b36d1bb67.jpg); } }