:root{color-scheme:dark;background:#080e0b;color:#e1eae3;font:16px/1.8 Arial,sans-serif}body{margin:0}header,main,footer{max-width:820px;margin:auto;padding:28px}header,footer{border-bottom:1px solid #294132}a{color:#b4d89d}h1{font-size:42px;line-height:1.15;letter-spacing:-1.5px}h2{font-size:22px;color:#c1d8b9;margin-top:36px}.muted{font-size:13px;color:#9cb1a1}li{margin:10px 0}footer{border-top:1px solid #294132;border-bottom:0;font-size:13px}code{overflow-wrap:anywhere}button{background:#a7ce94;color:#142218;border:0;border-radius:6px;padding:10px 15px;cursor:pointer}