.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/5/e/csm_quiz_f158397aca.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/5/e/csm_quiz_ca36a5895a.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/5/e/csm_quiz_a5cd24beb5.jpg); } }