:root { color-scheme: light dark; }
body {
    margin: 0 auto; padding: 2rem 1.25rem; max-width: 42rem;
    font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, sans-serif;
}
h1 { font-size: 1.6rem; margin-bottom: .25rem; }
code { font-family: ui-monospace, SFMono-Regular, monospace; font-size: .9em; }
a { color: inherit; text-underline-offset: 2px; }