body{font-family:Arial;background:#0b0f19;color:#fff}.container{max-width:1000px;margin:auto;padding:40px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.card{background:#1b2233;padding:20px;border-radius:12px}a.btn{display:block;background:#fff;color:#000;text-decoration:none;padding:12px;border-radius:8px;text-align:center}