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<html xmlns="http://www.w3.org/1999/xhtml">

 <head>

  <title>CSS Reftest Reference</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />

  <meta name="DC.date.created" content="2016-12-20T09:54:03+11:00" scheme="W3CDTF" />
  <meta name="DC.date.modified" content="2017-01-03T09:54:03+11:00" scheme="W3CDTF" />

  <meta content="" name="flags" />

  <style type="text/css"><![CDATA[
  html
    {
      padding: 100px 0px;
      writing-mode: vertical-rl;
    }

  body
    {
      font-size: 16px;
      line-height: 1.25; /* therefore, each line box is 20px tall */
    }

  div
    {
      border: blue solid 3px;
      left: 8px;
      position: absolute;
      top: 100px;
    }
  ]]></style>
 </head>

 <body>

  <div>123456789012345</div>

 </body>
</html>