tage"
      scroll-watch="{from: from, to: to}"
      sw-style="{backgroundColor: 'rgba(0, 0, 0, '+ 1 * $progress +')'}">
    </div>

    <div id="hero">
      <div scroll-watch="{from: from, to: to, digestSync: true}"
        sw-style="{
          '-webkit-transform': 'scale('+ (0.5 + 0.5 * $progress) * scaleFactor + ')',
          'transform': 'scale(' + (0.5 + 0.5 * $progress) * scaleFactor + ')'
        }">

        <p>Scale factor: {{ scaleFactor }}</p>
        <button class="btn btn-success btn-large"