:root{color-scheme:light dark}body{font:16px/1.6 system-ui,sans-serif;max-width:46rem;margin:3rem auto;padding:0 1.25rem}a{color:inherit;text-underline-offset:.2em}h1{font-size:1.5rem}a:focus-visible{outline:2px solid currentColor;outline-offset:3px}