body{background:#111;color:#555;font:15px system-ui;display:grid;place-items:center;min-height:100vh;margin:0}
main{color:#999;max-width:65ch;padding:2rem;line-height:1.65}
h1{color:#eee;font-size:1.2rem;font-weight:600;margin:0 0 .5rem}
h2{color:#eee;font-size:1rem;font-weight:600;margin:2.5rem 0 .5rem}
h3{color:#aaa;font-size:.85rem;font-weight:600;margin:1.5rem 0 .5rem}
a{color:#bbb;text-decoration:underline}
ul{padding-left:1.2rem}
li{margin-bottom:.4rem}
.lede{color:#777}