.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/6/3/csm_vertriebstagung_82209ec111.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/6/3/csm_vertriebstagung_082222b46c.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/6/3/csm_vertriebstagung_dc168f4019.jpg); } }