Edit in JSFiddle

<div class="demo">
<h1>
ページをスクロールダウン、アニメ効果を確認
</h1>
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    <div class="scrollme">
    <h2>ブロックスクY軸回転</h2>
    <div 
      class="animateme scroll-block"
      data-when="span"
      data-from="0"
      data-to="1"
      data-rotatey="360"
    >
      <h2>ブロックが回転する</h2><h2>ブロックが回転する</h2><h2>ブロックが回転する</h2><h2>ブロックが回転する</h2><h2>ブロックが回転する</h2><h2>ブロックが回転する</h2>
    </div>
  </div>
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   <h2>ブロックスクX軸回転で入ってくる</h2>
<div class="block scrollme">
		<div class="section animateme" 
        data-when="span" 
        data-from="0.5" 
        data-to="0"  
        data-rotatex="90" >section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 </div>
	</div>
	<div class="block scrollme">
		<div class="section animateme" data-when="span" data-from="0.5" data-to="0"   data-rotatex="90">section 2 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1</div>
	</div>
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   <h2>ブロックスク縮小しながら入ってくる</h2>
	<div class="block scrollme">
		<div class="section animateme" data-when="enter" data-from="0.5" data-to="0"   data-crop="false" data-opacity="0" data-scale="1.5">section 3 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1</div>
	</div>
	<div class="block scrollme">
		<div class="section animateme" data-when="enter" data-from="0.5" data-to="0"   data-crop="false" data-opacity="0" data-scale="1.5">section 4 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1 section 1</div>
	</div>
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</div>
 
	  .section{
		display:block;
		height:200px;
    width:70%;
		border:1px solid black;
		vertical-align:middle;
		background-color:rgba(220, 131, 131, 0.17);
    margin:40px 100px;
	  }
	  .block{
		overflow: hidden;
		perspective: 500px;
		transform-style: preserve-3d;
	  }
    .scroll-block{background-color:rgba(220, 131, 131, 0.17); margin:0 250px;}
    *{
      text-align:center;
    }
    .demo{ display:flex; justify-content: center; flex-direction:         column; }