content: import React, { Component } from 'react';
  import CardGrid from '../containers/card_grid';
  import PlayerList from '../containers/player_list';
  
  export default class App extends Component {
    render() {
      return (
        <div>
          <div className="page-header">
            <h1>Concentration<small> (2 players)</small></h1>
            <div className="row">
              <div className="col-md-6">
                <p>Take turns flipping cards over to find a match. 1 match = 10 points. If you miss a match it's the next players turn. Game ends when all cards are flipped. Refresh to restart.</p>
              </div>
            </div>
          </div>
          <div className="container">
            <div className="row">
              <PlayerList />
              <CardGrid />
            </div>
          </div>
        </div>
      );
    }
  }
  