body{font-family:"Courier New",monospace;margin:0;background:#1e272e;color:#f5f6fa;}header{background:#2f3640;color:#fbc531;padding:28px;text-align:center;}nav{background:#353b48;padding:12px;display:flex;justify-content:center;gap:25px;}main{padding:35px;}section.block{background:#2f3640;border-radius:8px;box-shadow:0 4px 9px rgba(0,0,0,0.4);padding:20px;margin:20px;border:1px solid #444;}h1{color:#00a8ff;font-size:2.3rem;}p{line-height:1.6;}hr{border:1px solid #fbc531;}footer{background:#2f3640;color:#f5f6fa;text-align:center;padding:18px;} ol{list-style:decimal inside;background:#f4f4f4;padding:20px;border-radius:8px;box-shadow:0 2px 5px rgba(0,0,0,0.1);}