div.topic h2 { font-size:180%; line-height: 120% }
div.topic h3 { font-size:150% }
div.section { overflow:hidden;margin-top:20px;page-break-inside:avoid }
#g_ad2 { text-align:center; clear:both }
a.fig {text-decoration: underline }
a.fig:hover { color: #f00 }