:root{color-scheme:light dark}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}main{max-width:48rem;margin:0 auto;padding:2.5rem 1.25rem}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}