:root {
  color-scheme: light;
  --text: #171717;
  --muted: #5f6368;
  --line: #d9dde3;
  --bg: #fafafa;
  --panel: #ffffff;
  --accent: #1f6feb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

h1 {
  margin: 20px 0 4px;
  font-size: 36px;
  letter-spacing: 0;
}

h2 {
  margin: 32px 0 8px;
  font-size: 20px;
  letter-spacing: 0;
}

p,
li {
  color: var(--muted);
}

a {
  color: var(--accent);
  text-decoration: none;
}

ul {
  padding-left: 22px;
}

section {
  border-top: 1px solid var(--line);
  margin-top: 28px;
  padding-top: 4px;
}

.back {
  display: inline-block;
  color: var(--text);
  font-weight: 700;
}

.updated {
  margin-top: 0;
  color: var(--muted);
}