#helpCenterTitle{font-size:18px;line-height:18px;color:#000000;margin-bottom:15px}#helpCenterTitleDiv{width:260px}.helpCenterTreeLi{list-style:url("http://stimg2.s-9in.com/bingads9incom/treeArrowDefault.png") inside;cursor:pointer}#treeTitle1{list-style-image:url("http://stimg2.s-9in.com/bingads9incom/treeArrowBlack.png")}#helpCenterTitleDiv .helpCenterTreeLi{font-size:14px;line-height:24px}#helpCenterContentDiv{width:608px;padding:16px;border:1px solid #e8e8e8}#helpCenterContentDiv #helpCenterContentUl{margin-bottom:14px}#helpCenterContentDiv #helpCenterContentTitle{font-size:15px;line-height:18px;margin-bottom:11px;font-weight:bold}#helpCenterContentDiv .helpCenterTreeLi{font-size:13px;line-height:23px}#helpCenterContentDiv .helpCenterLiContent{font-size:13px;line-height:20px;margin-left:20px;margin-bottom:16px}.helpCenterPageNavContainer{text-align:center}.helpCenterPage-navItem{font-size:12px;text-decoration:none;color:black;margin:0 2px}img.helpCenterPage-navItem{vertical-align:middle;cursor:pointer}.treeSubTitleUl .helpCenterTreeLi{margin-left:15px}.helpCenterLiContent{display:none}.demoImgsize1{display:block;margin:13px 30px 20px 30px}.demoImgsize3{float:right;margin-left:16px;margin-top:3px}.demoSize3{margin-top:13px}.demoImgsize4{float:left;margin-right:16px;margin-top:3px}.demoSize4{margin-top:20px}.demoImgsize2{display:block;margin:13px 70px 20px 70px}.demoSize2{margin-top:13px}#header #navigation-subtitle #helpCenterDetailContainer{display:block}#helpCenterContentDiv .helpCenterLiContent a{color:#000;}#helpCenterContentDiv .helpCenterLiContent a:hover{color:#ffba00;}.helpCenterTreeLi a{color:#000;text-decoration:none;}