cript src="/resources/testharnessreport.js"></script>
    <script src="/resources/check-layout-th.js"></script>
  </head>
  <body onload="checkLayout('.flexbox div')">

    <!-- default (stretch) -->
    <div class="flexbox">
      <div class="a" data-expected-width="10" data-expected-height="20" data-offset-x="198" data-offset-y="8"></div>
    </div>
    <div class="flexbox">
      <div class="a" data-expected-width="10" data-expected-height="20" data-offset-x="198" data-offset-y="30"></div>
      <div cla