body{font-family:"Courier New",monospace;margin:0;background:#fff;color:#111;}header{background:#000;color:#f39c12;padding:30px;text-align:center;text-transform:uppercase;}nav{background:#f39c12;display:flex;justify-content:center;gap:30px;padding:12px;font-weight:bold;}main{padding:40px;}section.block{background:#fff;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,0.12);border:1px solid #000;padding:20px;margin:25px;}h1{font-size:2rem;color:#2980b9;}p{font-size:1rem;}hr{border:2px solid #c0392b;}footer{background:#000;color:white;text-align:center;padding:15px;} ol{list-style:decimal-leading-zero;color:#222;font-size:1.1rem;background:#e0f7fa;padding:18px;border-radius:6px;}