body{background:#111;color:#f5f5ef;font:18px/1.7 system-ui,sans-serif;max-width:900px;margin:32px auto;padding:24px}a{color:#99e5b4}nav{display:flex;gap:20px}header,footer{padding:24px 0;border-bottom:1px solid #444}img{max-width:100%}