:root{color-scheme:light dark}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.55;max-width:42rem;margin:2rem auto;padding:0 1.25rem}h1{font-size:1.75rem}h2{font-size:1.15rem;margin-top:1.75rem}a{color:inherit}