body{max-width:40rem;margin:2rem auto;padding:0 1rem;font:16px/1.6 Georgia,serif;color:#222;background:#fdfdfb}
header{display:flex;align-items:center;gap:.6rem}header img{width:28px;height:28px}
a{color:#2a5d8f}footer{margin-top:3rem;font-size:.85rem;color:#666}code{font-size:.9em}