section {margin:18px 0;padding:16px 14px;border:1px solid #eee;border-radius:14px;background:#fff;}
hr {border:0;border-top:1px solid #ddd;margin:22px 0;}
.toc {margin:16px 0 8px 0;padding:12px 14px;border:1px solid #e6e6e6;border-radius:12px;background:#fafafa;}
.toc a {white-space:nowrap;}