#map {
    height: 400px;
    background-image: url("../img/map-kirchenladen-mobile.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

@media screen and (min-width: 1199px) {
    #map {
        height: 612px;
        background-image: url("../img/map-kirchenladen-mobile.jpg");
    }
}