body { margin: 0; font: 17px/1.6 system-ui, -apple-system, sans-serif; color: #1d1d1f; background: #fbfbf9; }
main { max-width: 40rem; margin: 3rem auto; padding: 0 1.25rem; }
h1 { font-size: 1.9rem; line-height: 1.2; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
a { color: #0b5cad; }
code { font-size: 0.9em; background: #eeede8; padding: 0.1em 0.3em; border-radius: 3px; }