body{margin:0;font:16px/1.6 system-ui,sans-serif;background:#111418;color:#d8dde3}
header{display:flex;gap:12px;align-items:center;padding:24px 16px;max-width:720px;margin:auto}
h1{font-size:22px;margin:0}main{max-width:720px;margin:auto;padding:0 16px}
a{color:#8fb8ff}.wide{width:100%;height:auto;margin:24px 0}
footer{max-width:720px;margin:32px auto;padding:0 16px;color:#7a828c;font-size:14px}