body{font:17px/1.65 system-ui,sans-serif;color:#181818;background:#fff;margin:0}main{max-width:720px;margin:64px auto;padding:0 24px 48px}h1{font-size:32px;line-height:1.2}h2{font-size:21px;margin-top:32px}a{color:inherit;text-underline-offset:3px}nav{display:flex;gap:20px;margin-bottom:40px;font-size:15px}footer{margin-top:44px;font-size:14px;color:#555}@media(max-width:600px){main{margin-top:28px}h1{font-size:28px}}