body{font-family:-apple-system,"Hiragino Sans",sans-serif;line-height:1.9;max-width:720px;margin:0 auto;padding:2rem 1.2rem;color:#1E2024;background:#F7F6F2}
h1{font-size:1.4rem;border-bottom:2px solid #2F5D8A;padding-bottom:.4rem}
h2{font-size:1.1rem;margin-top:2rem}
h3{font-size:1rem;margin-top:1.4rem}
nav a{margin-right:1rem}
footer{margin-top:3rem;font-size:.85rem;color:#6B6F76;border-top:1px solid #ddd;padding-top:1rem}