:root {
  color-scheme: light;
  --ink: #1f1f1f;
  --muted: #666;
  --rule: #e2e2e2;
  --bg: #fcfbf8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 2.5rem 1.25rem 3rem;
  font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
main, footer { max-width: 36rem; margin: 0 auto; }
h1 { font-size: 2.25rem; margin: 0 0 0.5rem; letter-spacing: -0.01em; }
.lede { font-size: 1.25rem; margin-top: 0; }
.muted { color: var(--muted); }
footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}
footer p { margin: 0.25rem 0; }
a { color: inherit; }