<!doctype html>
<html>
<head>
  <meta charset="UTF-8">
  <title>CSS3 background-size:contain</title>
  <link rel="author" title="Yue Hu" href="mailto:miniwade514@gmail.com" />
  <link rel="reviewer" title="Dayang Shen" href="mailto:shendayang@baidu.com"> <!-- 2013-09-03 -->
  <style>
    div {
      width: 200px;
      height: 250px;
      border: 5px dashed black;
      overflow: hidden;
    }

    img {
      width: 200px;
      height: 200px;
    }
  </style>
</head>
<body>
  <p>The test passes if the green box image is scaled to fit the width of the outer box, while preserving its intrinsic aspect ratio.</p>
  <div>
    <img src="support/60x60-green.png" alt="" />
  </div>
</body>
</html>