.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/3/a/csm_Oldenburg_0896037a55.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/3/a/csm_Oldenburg_7f8a53ebe1.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/3/a/csm_Oldenburg_ebd766aa2c.jpg); } }