:root {
  color-scheme: light dark;
  --bg: #f5f3ee;
  --text: #1b1c1f;
  --muted: #555a63;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d;
    --text: #e3e5ea;
    --muted: #a7aebb;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    17px/1.6 system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
}
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}
h1 {
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 4px;
}
h2 {
  font-size: 19px;
  margin: 32px 0 6px;
}
p,
li {
  color: var(--muted);
}
.updated {
  font-size: 14px;
}