<!DOCTYPE html>

<html>

 <head>

  <meta charset="UTF-8">

  <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
  <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-05-01 -->

  <title>Embedded HTML document for background-size-document-root-vrl-002</title>

  <style>
    html
      {
        background-image: url("swatch-green.png");
        background-repeat: no-repeat;
        background-size: 100% 100%;
        writing-mode: vertical-rl;

        width: 100px;
      }
  </style>

 </head>

</html>