#page-header-main { background-image: url(/fileadmin/_processed_/8/5/csm_Essig-1920px_406a033330.jpg); }@media screen and (min-width: 640px) { #page-header-main { background-image: url(/fileadmin/_processed_/8/5/csm_Essig-1920px_3559a5f641.jpg); } }