#map {
    /*width: 100%;
    height: 100%;*/
    background: #f5f5f4;
    overflow: hidden;
}
#map .leaflet-pane.leaflet-tile-pane{
    filter: grayscale(90%);
}
#map.loading {
    background-image: url(https://supdemod.eu/typo3conf/ext/bi_contact/Resources/Public/css/bi_contact.css?1605796995);
    background-repeat: no-repeat;
    background-position: 50% 50%;
}