.page-header{margin:20px 0;border-bottom:1px dashed #ccc}.page-header h1{font-size:24px}.page-header p{color:#666;padding:0}.page-sider{line-height:1.5}.page-sider h2{margin:10px 0;font-size:15px}.page-sider li{list-style:square outside;margin-left:20px;line-height:1.8}