:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #0b66c3;
  --rule: #e4e4e4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #e8e8e8;
    --muted: #9a9a9a;
    --accent: #6cb1f0;
    --rule: #2a2a2a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 18px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1.25rem 3rem;
}

h1 {
  font-size: 2rem;
  margin: 0 0 0.25rem;
}

h2 {
  font-size: 1.25rem;
  margin: 2.5rem 0 0.5rem;
}

h3 {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.5rem;
}

p,
ul {
  margin: 0.5rem 0;
}

.tagline {
  color: var(--muted);
  margin: 0 0 2rem;
}

a {
  color: var(--accent);
}

footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}

footer p {
  margin: 0.25rem 0;
}

.updated {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}