content: import React from 'react';
  import Navbar from './Navbar';
  import Footer from './Footer';
  
  class App extends React.Component {
    render() {
      return (
        <div>
          <Navbar history={this.props.history} />
          {this.props.children}
          <Footer />
        </div>
      );
    }
  }
  
  export default App;