html{font-size:20px}body{color:#111;background:#fff;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}main{max-width:40rem;margin:0 auto;padding:2rem 1.25rem 4rem}h1{margin:0 0 1rem;font-size:2.5rem}a{color:#0645ad;text-underline-offset:.15em;text-decoration:underline}a:focus-visible{outline-offset:3px;outline:3px solid #0645ad}h2{margin:2rem 0 .5rem;font-size:1.4rem}audio{width:100%}img{max-width:100%;height:auto;display:block}