.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/4/d/csm_Erfurt_627ce3d058.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/4/d/csm_Erfurt_5ae176a703.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/4/d/csm_Erfurt_00f9111f37.jpg); } }