content: import '../styles/styles.scss';
  
  /**
   * https://github.com/babel/babel/tree/master/packages/babel-preset-env include only the polyfills and
   * transforms needed for the browsers we specified in kolder.config.js
   */
  import 'babel-polyfill';
  
  import React from 'react';
  import ReactDOM from 'react-dom';
  import App from './components/App';
  
  const app = document.getElementById('demo');
  app && ReactDOM.render(<App />, app);
  