#page-header-main { background-image: url(/fileadmin/_processed_/9/b/csm_Wein-1920px_5a1b97ace3.jpg); }@media screen and (min-width: 640px) { #page-header-main { background-image: url(/fileadmin/_processed_/9/b/csm_Wein-1920px_9a229c1b0b.jpg); } }