.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/9/9/csm_Walking_cc07283331.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/9/9/csm_Walking_b73276c77a.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/9/9/csm_Walking_7e35fbc09b.jpg); } }