content: import React from 'react';
  
  import Buttons from './Buttons';
  
  export default React.createClass({
    getInitialState() {
      return { counter: 0 }
    },
  
    handleClick(value = 1) {
      this.setState({ counter: this.state.counter + value })
    },
  
    render() {
      return (
        <div className='hello-world'>
          <h1>Enzyme</h1>
          <Buttons onButtonClick={this.handleClick} />
        </div>
      );
    },
  });
  