content: import React from 'react';
  import ReactDOM from 'react-dom';
  import App from './App';
  import About from './About.js';
  import Gallery from './Gallery.js';
  import Songsim from './Songsim.js';
  import { IndexRoute, Router, Route, hashHistory } from 'react-router';
  import './index.css';
  
  import 'react-resizable/css/styles.css';
  import 'bootstrap/dist/css/bootstrap.css';
  //import 'bootstrap/dist/css/bootstrap-theme.css';
  
  ReactDOM.render(
    (<Router history={hashHistory}>
      <Route path="/" component={App} >
        <Route path="about(/:chapter)" component={About} />
        <Route path="gallery(/:cat)" component={Gallery} />
        <Route path="custom(/:customKey)" component={Songsim} />
        <Route path="(:songId)" component={Songsim} />
        <IndexRoute component={Songsim} />
      </Route>
    </Router>),
    document.getElementById('root')
  );
  