:root { color-scheme: light; }
body{max-width:920px;margin:24px auto;padding:0 16px;font-family:Arial,Helvetica,sans-serif;line-height:1.55}
nav{margin:0 0 14px 0}
nav a{margin-right:10px}
h1{margin:10px 0 6px 0}
hr{border:0;border-top:1px solid #ddd;margin:18px 0}
.card{background:#f7f7f7;border:1px solid #e6e6e6;border-radius:10px;padding:14px 16px;margin:12px 0}
small,footer{color:#666}
ul{margin-top:8px}