.nb-booking-wrapper { max-width: 680px; margin: 20px auto; }
.nb-booking-form { background:#fff; padding:18px; border-radius:8px; box-shadow:0 6px 18px rgba(0,0,0,0.06); }
.nb-booking-form h3 { margin-top:0; margin-bottom:12px; }
.nb-booking-form label { display:block; margin-top:10px; font-weight:600; }
.nb-booking-form input, .nb-booking-form select { width:100%; padding:8px 10px; margin-top:6px; border:1px solid #ddd; border-radius:4px; box-sizing:border-box; }
.nb-booking-form .nb-submit { margin-top:14px; background:#0073aa; color:#fff; padding:10px 14px; border:none; cursor:pointer; border-radius:6px; }
.nb-booking-form .nb-submit:hover { background:#005f8a; }