.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/2/f/csm_Muelheim-an-der-Ruhr_6143226c54.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/2/f/csm_Muelheim-an-der-Ruhr_2f0668d949.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/2/f/csm_Muelheim-an-der-Ruhr_b5ae01a0d3.jpg); } }