body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;max-width:720px;margin:40px auto;padding:0 16px;line-height:1.6;color:#1a1a1a;background:#fff}
h1{font-size:28px}h2{font-size:19px;margin-top:28px}
a{color:#1a1a1a}