body{font:17px/1.65 system-ui,sans-serif;color:#172733;background:#f6f8fa;margin:0}header,main,footer{max-width:760px;margin:auto;padding:28px 24px}header{border-bottom:1px solid #d5dee5}.brand{font-size:25px;font-weight:700;text-decoration:none}h1{font-size:32px;line-height:1.25}h2{font-size:22px;margin-top:30px}a{color:#135b85}nav{display:flex;flex-wrap:wrap;gap:18px}footer{border-top:1px solid #d5dee5;font-size:14px}code{font-size:15px;overflow-wrap:anywhere}a:focus-visible{outline:3px solid #d59731;outline-offset:4px}@media(max-width:480px){h1{font-size:27px}}