body{font-family:system-ui,sans-serif;margin:0;line-height:1.6}header,main{max-width:64rem;margin:auto;padding:2rem}nav{display:flex;gap:2rem}a{display:inline-flex;align-items:center;min-height:44px}main{min-height:65vh}p{max-width:42rem}:focus-visible{outline:2px solid;outline-offset:4px}