播放三次动画 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    div {
      width: 100px;
      height: 100px;
      background: red;
      position: relative;
      animation: mymove 3s;
      animation-iteration-count: 3;

      /* Safari and Chrome */
      -webkit-animation: mymove 3s;
      -webkit-animation-iteration-count: 3;
    }

    @keyframes mymove {
      from {
        top: 0px;
      }
      to {
        top: 200px;
      }
    }

    @-webkit-keyframes mymove
    /* Safari and Chrome */

    {
      from {
        top: 0px;
      }
      to {
        top: 200px;
      }
    }
  </style>
</head>
<body>

  <p><strong>注意：</strong> Internet Explorer 9 及更早 IE 版本浏览器不支持 animation-iteration-count 属性。</p>

  <div></div>

</body>
</html>
        