:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5f5f5f;
  --rule: #e2e2e2;
  --link: #0b5fff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111213;
    --fg: #ececec;
    --muted: #9a9a9a;
    --rule: #2a2c2e;
    --link: #6ea8ff;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 4rem 1.5rem;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 34rem;
  margin: 0 auto;
}

h1 {
  margin: 0 0 1.5rem;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.05rem;
}

p {
  margin: 0 0 1rem;
}

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

.muted {
  color: var(--muted);
}

nav {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

nav a {
  margin-right: 1.25rem;
}

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}