.materials{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}.materials a{font-size:10px;background:#f2f1ec;padding:6px 8px;text-decoration:underline}.qr{display:block;width:260px;max-width:100%;margin:20px auto;border:12px solid #fff;box-shadow:0 0 0 1px #ddd}