.leaflet-control-messagebox {
    display: none; /* Initially hidden */
    padding: .75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: .25rem;
    color: #721c24;
    background-color: #f8d7da;
    border-color: #ffa0a9;
    font-size: 12pt;
}