.tree_column{float:left;width:345px;font-size:12px;line-height:19px;margin-bottom:15px;padding-top:15px;border-top-width:thin;border-top-style:solid;border-top-color:#CCC}.tree_column strong{font-size:14px;color:#333}.tree_column1{float:left;width:70px;height:100px}.tree_column2{float:left;width:265px;color:#666}.tree_columnvid{float:right;width:350px;margin-bottom:15px;margin-left:15px}.faq_icon{float:right;height:34px;width:34px}.faq_txt{line-height:19px;width:650px;float:right}