content: import React from 'react';
  import ReactDOM from 'react-dom';
  import App from './components/app.js';
  import 'colors.css/css/colors.min.css';
  import 'bootstrap/dist/css/bootstrap.css';
  import 'bootstrap/dist/css/bootstrap-theme.css';
  import 'react-grid-layout/css/styles.css';
  import 'react-resizable/css/styles.css';
  import './css/index.css';
  
  ReactDOM.render(
    <App />,
    document.getElementById('root')
  );