.doc-sidebar-wrap{position:sticky;top:100px}.side-bar .navigation>ul>li:not(:last-child){margin-bottom:20px}.side-bar ul{line-height:1.7;list-style:none;margin:0;padding:0}.side-bar ul ul{margin-bottom:20px;margin-top:10px}.side-bar .title{cursor:pointer;margin-bottom:0}.side-bar ul>li>ul{display:none}.side-bar ul ul li{margin-bottom:5px;padding-left:5px}