:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6c6c70;
  --rule: #e5e5ea;
  --link: #0a58ca;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #f2f2f7;
    --muted: #98989d;
    --rule: #2c2c2e;
    --link: #6ea8fe;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
  max-width: 42rem;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 2.5rem 0 .75rem; }
p, li { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
a { color: var(--link); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }
.meta { color: var(--muted); font-size: .9rem; margin-bottom: 2.5rem; }
.nav { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); font-size: .9rem; }
.nav a { margin-right: 1.25rem; }
.lede { font-size: 1.15rem; }