.themen-header .image-header { background-image: url('/fileadmin/user_upload/Themen/KIKO/KI-Header-Logo.jpg'); }

@media only screen and (max-width: 1024px) {.themen-header .image-header { background-image: url('/fileadmin/user_upload/Themen/KIKO/SM-KI-Header-Logo.jpg'); }}