:root{--bg:#f7f5f0;--fg:#222;--ac:#2d5a6b}
*{box-sizing:border-box}body{margin:0;font:17px/1.65 Georgia,serif;background:var(--bg);color:var(--fg)}
header,main,footer{max-width:720px;margin:0 auto;padding:1.2rem}
header{border-bottom:1px solid #ddd;display:flex;justify-content:space-between;align-items:baseline}
header a{color:var(--ac);text-decoration:none;margin-left:1rem}h1{margin:.2rem 0}.tag{color:#777}
article{margin:2rem 0}footer{color:#888;font-size:.85rem;border-top:1px solid #ddd;margin-top:3rem}