content: import React, { Component } from 'react';
  import './Sidebar.css';
  
  class Sidebar extends Component {
  
    render() {
      return (
        <div>
          { /* Left side column. contains the logo and sidebar */}
          <aside className="main-sidebar">
            { /* sidebar: style can be found in sidebar.less */}
            <section className="sidebar">
              { /* sidebar menu: : style can be found in sidebar.less */}
              <ul className="sidebar-menu" data-widget="tree">
                <li className="header">MAIN NAVIGATION</li>
                <li className="active treeview">
                  <a href="#">
                    <i className="fa fa-dashboard"></i> <span>Dashboard</span>
                    <span className="pull-right-container">
                      <i className="fa fa-angle-left pull-right"></i>
                    </span>
                  </a>
                  <ul className="treeview-menu">
                    <li className="active"><a href="index.html"><i className="fa fa-circle-o"></i> Dashboard v1</a></li>
                    <li><a href="index2.html"><i className="fa fa-circle-o"></i> Dashboard v2</a></li>
                  </ul>
                </li>
                <li className="treeview">
                  <a href="#">
                    <i className="fa fa-files-o"></i>
                    <span>Layout Options</span>
                    <span className="pull-right-container">
                      <span className="label label-primary pull-right">4</span>
                    </span>
                  </a>
                  <ul className="treeview-menu">
                    <li><a href="pages/layout/top-nav.html"><i className="fa fa-circle-o"></i> Top Navigation</a></li>
                    <li><a href="pages/layout/boxed.html"><i className="fa fa-circle-o"></i> Boxed</a></li>
                    <li><a href="pages/layout/fixed.html"><i className="fa fa-circle-o"></i> Fixed</a></li>
                    <li><a href="pages/layout/collapsed-sidebar.html"><i className="fa fa-circle-o"></i> Collapsed Sidebar</a></li>
                  </ul>
                </li>
                <li>
                  <a href="pages/widgets.html">
                    <i className="fa fa-th"></i> <span>Widgets</span>
                    <span className="pull-right-container">
                      <small className="label pull-right bg-green">new</small>
                    </span>
                  </a>
                </li>
                <li className="treeview">
                  <a href="#">
                    <i className="fa fa-pie-chart"></i>
                    <span>Charts</span>
                    <span className="pull-right-container">
                      <i className="fa fa-angle-left pull-right"></i>
                    </span>
                  </a>
                  <ul className="treeview-menu">
                    <li><a href="pages/charts/chartjs.html"><i className="fa fa-circle-o"></i> ChartJS</a></li>
                    <li><a href="pages/charts/morris.html"><i className="fa fa-circle-o"></i> Morris</a></li>
                    <li><a href="pages/charts/flot.html"><i className="fa fa-circle-o"></i> Flot</a></li>
                    <li><a href="pages/charts/inline.html"><i className="fa fa-circle-o"></i> Inline charts</a></li>
                  </ul>
                </li>
                <li className="treeview">
                  <a href="#">
                    <i className="fa fa-laptop"></i>
                    <span>UI Elements</span>
                    <span className="pull-right-container">
                      <i className="fa fa-angle-left pull-right"></i>
                    </span>
                  </a>
                  <ul className="treeview-menu">
                    <li><a href="pages/UI/general.html"><i className="fa fa-circle-o"></i> General</a></li>
                    <li><a href="pages/UI/icons.html"><i className="fa fa-circle-o"></i> Icons</a></li>
                    <li><a href="pages/UI/buttons.html"><i className="fa fa-circle-o"></i> Buttons</a></li>
                    <li><a href="pages/UI/sliders.html"><i className="fa fa-circle-o"></i> Sliders</a></li>
                    <li><a href="pages/UI/timeline.html"><i className="fa fa-circle-o"></i> Timeline</a></li>
                    <li><a href="pages/UI/modals.html"><i className="fa fa-circle-o"></i> Modals</a></li>
                  </ul>
                </li>
                <li className="treeview">
                  <a href="#">
                    <i className="fa fa-edit"></i> <span>Forms</span>
                    <span className="pull-right-container">
                      <i className="fa fa-angle-left pull-right"></i>
                    </span>
                  </a>
                  <ul className="treeview-menu">
                    <li><a href="pages/forms/general.html"><i className="fa fa-circle-o"></i> General Elements</a></li>
                    <li><a href="pages/forms/advanced.html"><i className="fa fa-circle-o"></i> Advanced Elements</a></li>
                    <li><a href="pages/forms/editors.html"><i className="fa fa-circle-o"></i> Editors</a></li>
                  </ul>
                </li>
                <li className="treeview">
                  <a href="#">
                    <i className="fa fa-table"></i> <span>Tables</span>
                    <span className="pull-right-container">
                      <i className="fa fa-angle-left pull-right"></i>
                    </span>
                  </a>
                  <ul className="treeview-menu">
                    <li><a href="pages/tables/simple.html"><i className="fa fa-circle-o"></i> Simple tables</a></li>
                    <li><a href="pages/tables/data.html"><i className="fa fa-circle-o"></i> Data tables</a></li>
                  </ul>
                </li>
                <li>
                  <a href="pages/calendar.html">
                    <i className="fa fa-calendar"></i> <span>Calendar</span>
                    <span className="pull-right-container">
                      <small className="label pull-right bg-red">3</small>
                      <small className="label pull-right bg-blue">17</small>
                    </span>
                  </a>
                </li>
                <li>
                  <a href="pages/mailbox/mailbox.html">
                    <i className="fa fa-envelope"></i> <span>Mailbox</span>
                    <span className="pull-right-container">
                      <small className="label pull-right bg-yellow">12</small>
                      <small className="label pull-right bg-green">16</small>
                      <small className="label pull-right bg-red">5</small>
                    </span>
                  </a>
                </li>
                <li className="treeview">
                  <a href="#">
                    <i className="fa fa-folder"></i> <span>Examples</span>
                    <span className="pull-right-container">
                      <i className="fa fa-angle-left pull-right"></i>
                    </span>
                  </a>
                  <ul className="treeview-menu">
                    <li><a href="pages/examples/invoice.html"><i className="fa fa-circle-o"></i> Invoice</a></li>
                    <li><a href="pages/examples/profile.html"><i className="fa fa-circle-o"></i> Profile</a></li>
                    <li><a href="pages/examples/login.html"><i className="fa fa-circle-o"></i> Login</a></li>
                    <li><a href="pages/examples/register.html"><i className="fa fa-circle-o"></i> Register</a></li>
                    <li><a href="pages/examples/lockscreen.html"><i className="fa fa-circle-o"></i> Lockscreen</a></li>
                    <li><a href="pages/examples/404.html"><i className="fa fa-circle-o"></i> 404 Error</a></li>
                    <li><a href="pages/examples/500.html"><i className="fa fa-circle-o"></i> 500 Error</a></li>
                    <li><a href="pages/examples/blank.html"><i className="fa fa-circle-o"></i> Blank Page</a></li>
                    <li><a href="pages/examples/pace.html"><i className="fa fa-circle-o"></i> Pace Page</a></li>
                  </ul>
                </li>
                <li className="treeview">
                  <a href="#">
                    <i className="fa fa-share"></i> <span>Multilevel</span>
                    <span className="pull-right-container">
                      <i className="fa fa-angle-left pull-right"></i>
                    </span>
                  </a>
                  <ul className="treeview-menu">
                    <li><a href="#"><i className="fa fa-circle-o"></i> Level One</a></li>
                    <li className="treeview">
                      <a href="#"><i className="fa fa-circle-o"></i> Level One
                  <span className="pull-right-container">
                          <i className="fa fa-angle-left pull-right"></i>
                        </span>
                      </a>
                      <ul className="treeview-menu">
                        <li><a href="#"><i className="fa fa-circle-o"></i> Level Two</a></li>
                        <li className="treeview">
                          <a href="#"><i className="fa fa-circle-o"></i> Level Two
                      <span className="pull-right-container">
                              <i className="fa fa-angle-left pull-right"></i>
                            </span>
                          </a>
                          <ul className="treeview-menu">
                            <li><a href="#"><i className="fa fa-circle-o"></i> Level Three</a></li>
                            <li><a href="#"><i className="fa fa-circle-o"></i> Level Three</a></li>
                          </ul>
                        </li>
                      </ul>
                    </li>
                    <li><a href="#"><i className="fa fa-circle-o"></i> Level One</a></li>
                  </ul>
                </li>
                <li><a href="https://adminlte.io/docs"><i className="fa fa-book"></i> <span>Documentation</span></a></li>
                <li className="header">LABELS</li>
                <li><a href="#"><i className="fa fa-circle-o text-red"></i> <span>Important</span></a></li>
                <li><a href="#"><i className="fa fa-circle-o text-yellow"></i> <span>Warning</span></a></li>
                <li><a href="#"><i className="fa fa-circle-o text-aqua"></i> <span>Information</span></a></li>
              </ul>
            </section>
            { /* /.sidebar */}
          </aside>
        </div>
      );
    }
  }
  
  export default Sidebar;
  