.leaflet-control-zoom-fullscreen {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Crect x='3' y='3' width='6' height='2' fill='%23000'/%3E%3Crect x='3' y='3' width='2' height='6' fill='%23000'/%3E%3Crect x='15' y='3' width='6' height='2' fill='%23000'/%3E%3Crect x='19' y='3' width='2' height='6' fill='%23000'/%3E%3Crect x='3' y='19' width='6' height='2' fill='%23000'/%3E%3Crect x='3' y='15' width='2' height='6' fill='%23000'/%3E%3Crect x='15' y='19' width='6' height='2' fill='%23000'/%3E%3Crect x='19' y='15' width='2' height='6' fill='%23000'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 18px 18px;
    width: 30px;
    height: 30px;
}

.leaflet-fullscreen-on .leaflet-control-zoom-fullscreen {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Crect x='7' y='3' width='2' height='6' fill='%23000'/%3E%3Crect x='3' y='7' width='6' height='2' fill='%23000'/%3E%3Crect x='15' y='3' width='2' height='6' fill='%23000'/%3E%3Crect x='15' y='7' width='6' height='2' fill='%23000'/%3E%3Crect x='7' y='15' width='2' height='6' fill='%23000'/%3E%3Crect x='3' y='15' width='6' height='2' fill='%23000'/%3E%3Crect x='15' y='15' width='2' height='6' fill='%23000'/%3E%3Crect x='15' y='15' width='6' height='2' fill='%23000'/%3E%3C/svg%3E");
}

.leaflet-container.leaflet-fullscreen-on {
    width: 100% !important;
    height: 100% !important;
}

.leaflet-container:-webkit-full-screen {
    width: 100% !important;
    height: 100% !important;
}

.leaflet-container:-moz-full-screen {
    width: 100% !important;
    height: 100% !important;
}

.leaflet-container:-ms-fullscreen {
    width: 100% !important;
    height: 100% !important;
}