body{font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;max-width:760px;margin:40px auto;padding:0 16px;line-height:1.6;color:#222;background:#fff}
h1{font-size:1.6em}h2{font-size:1.15em;margin-top:1.6em}a{color:#3b6f8a}footer{margin-top:3em;font-size:.9em;color:#666}