.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/3/9/csm_tagung_939ec556d9.png); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/3/9/csm_tagung_086396623f.png); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/3/9/csm_tagung_c708eae887.png); } }