:root {
  --bg: #fbfaf7;
  --fg: #1d1d1b;
  --muted: #5d5b55;
  --link: #1f5fa8;
  --rule: #e2dfd7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161614;
    --fg: #ecebe6;
    --muted: #a8a59c;
    --link: #8cb8ee;
    --rule: #34332f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main, footer { max-width: 40rem; margin: 0 auto; padding: 0 16px; }
main { padding-top: 3rem; padding-bottom: 2rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.25rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
.lede { color: var(--muted); margin-top: 0; }
a { color: var(--link); }
li { margin-bottom: 0.4rem; }
footer { border-top: 1px solid var(--rule); padding-top: 1rem; padding-bottom: 3rem; color: var(--muted); }