:root{font:16px/1.7 system-ui,sans-serif;color:#193b3c;background:#f5f7f7}body{margin:0}main{max-width:800px;margin:auto;padding:40px 22px 72px}h1{font-size:clamp(1.8rem,5vw,2.5rem);line-height:1.2}h2{font-size:1.25rem;margin-top:2rem}a{color:#126b5d}li{margin-bottom:.6rem}a:focus-visible{outline:3px solid #167969;outline-offset:3px}