content: // @flow
  import React, { Component } from 'react';
  import PropTypes from 'prop-types';
  import styles from './app.css';
  import nessieStyles from 'nessie-ui/dist/styles.css';
  import { SpriteMap } from 'nessie-ui';
  
  export default class App extends Component
  {
      static propTypes = {
          children : PropTypes.element.isRequired
      };
  
      render()
      {
          return (
              <div className={ styles.container }>
                  <SpriteMap/>
                  { this.props.children }
              </div>
          );
      }
  }
  