:root{color-scheme:light;--green:#214b42;--ink:#263d36;--cream:#f6f5f0}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.8 system-ui,-apple-system,sans-serif}header,main,footer{max-width:820px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #dce2d6}a{color:var(--green);text-underline-offset:4px}header a{font-weight:600}h1{font:400 42px/1.2 Georgia,serif;margin:20px 0}h2{font-size:23px;margin:30px 0 12px}h3{font-size:17px}p,li{max-width:72ch}small{color:#66796d}.note{background:#e9eee4;border-left:3px solid var(--green);padding:16px 20px}section+section{margin-top:48px;border-top:1px solid #dce2d6;padding-top:24px}footer{border-top:1px solid #dce2d6;font-size:13px;display:flex;gap:20px;flex-wrap:wrap}a:focus-visible{outline:3px solid #779781;outline-offset:5px}@media(max-width:600px){h1{font-size:34px}header,main,footer{padding:20px}}