:root{--nai-blue:#0a3a8d;--nai-red:#c4161c;--nai-white:#fff}.nai-devis-btn{display:inline-block;background:var(--nai-red);color:#fff;padding:14px 24px;border-radius:6px;font-weight:600;text-decoration:none;margin-top:20px}.nai-devis-btn:hover{background:var(--nai-blue);color:#fff}