content: import React, { Component } from 'react';
  import Sidebar from './sidebar/Sidebar';
  import Header from './header/Header';
  import './App.css';
  
  
  class App extends Component {
      render() {
          return (
              <div className="App">
                  <Header/>
  
                  <div className="clearfix">
                      <Sidebar/>
                      <div className="App-main">
                          {this.props.children}
                      </div>
                  </div>
              </div>
          )
      }
  }
  export default App