:root {
  color-scheme: light dark;
  --text: #1f2328;
  --muted: #59636e;
  --bg: #ffffff;
  --link: #0b6bcb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e6edf3;
    --muted: #9198a1;
    --bg: #0d1117;
    --link: #4493f8;
  }
}

body {
  margin: 0;
  padding: 0 16px;
  background: var(--bg);
  color: var(--text);
  font:
    16px/1.6 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
}

main,
footer {
  max-width: 44rem;
  margin: 0 auto;
}

main {
  padding: 3rem 0 2rem;
}

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

.lead {
  font-size: 1.2rem;
}

.note,
footer {
  color: var(--muted);
  font-size: 0.9rem;
}

footer {
  padding: 1.5rem 0 3rem;
  border-top: 1px solid color-mix(in srgb, var(--muted) 30%, transparent);
}