body{max-width:42rem;margin:3rem auto;padding:0 1rem;font:17px/1.6 Georgia,serif;color:#222;background:#fdfcf9}a{color:#2a5d8f}header a{color:#222;text-decoration:none}nav a{margin-right:1rem}small,footer{color:#777}footer{margin-top:4rem;font-size:14px}h1{font-size:1.6rem}