body { margin: 0; background: #fff; color: #1a1a1a; font: 16px/1.6 -apple-system, "Segoe UI", Tahoma, Arial, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 28px; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 28px 0 8px; }
.muted { color: #666; margin-top: 0; }
a { color: #0a66c2; }
hr { border: 0; border-top: 1px solid #ddd; margin: 48px 0; }
ul { padding-inline-start: 22px; }