:root { color-scheme: light dark; font: 1rem/1.6 system-ui, sans-serif; }
body { margin: 0; }
main { max-width: 56rem; margin: 3rem auto; padding: 0 1.5rem; }
h1, h2 { line-height: 1.2; }
nav { margin: 1.5rem 0; }
code { overflow-wrap: anywhere; }
li { margin: .75rem 0; }