.leaflet-control-basemap {
    position: relative;
    width: 7rem;
    height: 7rem;
}

.basemap-img {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 10px;
    background-color: transparent;
    background-size: cover;
    background-position: center;
    transition: opacity 0.5s ease, transform 0.5s ease;
    cursor: pointer;
}
.basemap-img.loading {
    opacity: 0;
    transform: scale(0.95);
}