body { font-family: system-ui, sans-serif; margin: 0; background: #fafafa; color: #1a1a1a; }
main { max-width: 640px; margin: 4rem auto; padding: 0 1rem; }
code { background: #eee; padding: 2px 6px; border-radius: 4px; }
dt { font-weight: 600; margin-top: .75rem; }