#toc {font-size:10px}
#toc > ol {border-bottom:1px solid gray}
#prefaces,#appendixes {font-size:.8em}
#toc ol {list-style-type:none}
#toc h2 {float:none;color:#900;font-size:1.7em}
.chapter-label {font-weight:normal}
.chapter-label:after {content:": "}