render() {
  let { rating } = this.state
  return (
    <div className="App">
      <header className="App-header">
        <img src={logo} className="App-logo" alt="logo" />
        <h1 className="App-title">Welcome to React</h1>
      </header>
      <p className="App-intro">
        To get started, edit <code>src/App.js</code> and save to reload.
      </p>
      <StarRating rating={rating}/>
      <RatingInputs rating={rating} onStarRatingsUpdate={this.handleStarRatingsUpdate} />
    </div>
  )
}