:root {
  color-scheme: light dark;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --link: #0066cc;
  --background: #fff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --link: #2997ff;
    --background: #000;
  }
}
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font:
    17px/1.55 -apple-system,
    BlinkMacSystemFont,
    "Helvetica Neue",
    Helvetica,
    Arial,
    sans-serif;
}
main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}
h1 {
  font-size: 2.25rem;
  line-height: 1.15;
  margin: 0 0 0.5rem;
}
h2 {
  font-size: 1.3rem;
  margin: 2.5rem 0 0.5rem;
}
a {
  color: var(--link);
}
.muted {
  color: var(--muted);
}
li + li {
  margin-top: 0.35rem;
}