text: import React from 'react';
  
  import Header from './Header';
  import Main from './Main';
  import Footer from './Footer';
  
  
  class App extends React.Component {
      render() {
          return(
              <div>
                  <Header/>
                  <Main/>
                  <Footer/>
              </div>
          );
      }
  }
  
  export default App;
  