.hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/c/a/csm_Training_68fd52482c.jpg); }@media screen and (min-width: 640px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/c/a/csm_Training_4d7511e75d.jpg); } }@media screen and (min-width: 960px) { .hte-image-grid .b0 { background-image: url(/fileadmin/_processed_/c/a/csm_Training_379b0cf88c.jpg); } }