content: import React from 'react';
  import SelectCategory from '../containers/select-category';
  import ShowQuestions from '../containers/questions-container';
  import ShowFinalScore from '../containers/score-screen';
  
  class Main extends React.Component {
      render() {
          return (
              <main>
                 <SelectCategory />
                 <ShowQuestions />
                 <ShowFinalScore />
              </main>
          )
      }
  }
  
  export default Main;
  