body{font-family:Arial;margin:0;background:#fafafa}
header{background:#0f766e;color:#fff;padding:30px;text-align:center}
.container{max-width:900px;margin:auto;padding:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px}
.card{background:#fff;padding:10px;border-radius:8px;text-decoration:none;color:#000}
.card img{width:100%}
pre{background:#111;color:#eee;padding:10px;border-radius:8px}
button{padding:10px;background:#0f766e;color:#fff;border:none}