:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font:16px/1.6 Georgia,serif;color:#222;background:#faf8f4}header,main,footer{max-width:860px;margin:0 auto;padding:0 24px}header{display:flex;justify-content:space-between;align-items:center;padding-top:28px;padding-bottom:28px}.brand{font-weight:700;text-decoration:none;color:#222;letter-spacing:.04em}nav a{margin-left:20px;text-decoration:none;color:#555}nav a:hover{color:#000}h1{font-size:34px;line-height:1.25;font-weight:400;margin:48px 0 20px}h2{font-size:18px;margin:0 0 6px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;margin:48px 0}article{border-top:1px solid #ddd;padding-top:14px}footer{border-top:1px solid #ddd;margin-top:64px;padding-top:18px;padding-bottom:36px;color:#777;font-size:14px}