.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/b/2/csm_Jahrestagung_8f5ea20034.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/b/2/csm_Jahrestagung_1189703d71.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/b/2/csm_Jahrestagung_fe7ef1fed2.jpg); } }