#csb-booking-form { padding: 20px; max-width: 500px; background: #f9f9f9; border: 1px solid #ccc; }
#csb-booking-form label, input, button { display: block; margin: 10px 0; width: 100%; }
#csb-booking-form button { background: green; color: white; padding: 10px; border: none; }