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

 <head>

  <title>CSS Writing Modes Test: margin percentage and 'vertical-rl'</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
  <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#dimension-mapping" title="7.2 Dimensional Mapping" />
  <link rel="match" href="margin-vrl-002-ref.xht" />

  <meta content="image" name="flags" />
  <meta content="This test checks that percentages on the margin are calculated with respect to the height (inline-size) of the containing block if the 'writing-mode' of such containing block is 'vertical-rl'." name="assert" />

  <style type="text/css"><![CDATA[
  div.outer
    {
      background-color: blue;
      border-top: blue solid 3px;
      border-right: blue solid 3px;
      border-bottom: blue solid 2px;
      border-left: blue solid 3px;
      height: 160px;
      writing-mode: vertical-rl;
    }

  div.inner
    {
      background-color: yellow;
      height: 50px;
      width: 50px;
    }

  div.foo
    {
      margin-bottom: 0%; /* 0px */
      margin-left: 0%; /* 0px */
      margin-right: 31.25%; /* 31.25% mult by 160px == 50px */
      margin-top: 12.5%; /* 12.5% mult by 160px == 20px */
    }

  div.bar
    {
      margin-bottom: 0%; /* 0px */
      margin-left: 31.25%; /* 31.25% mult by 160px == 50px */
      margin-right: 0%; /* 0px */
      margin-top: 55.625%; /* 20px + 50px + 19px == 89px ; 89px divided by 160px == 55.625% */
    }

  div#reference
    {
      margin-top: 1em;
    }
  ]]></style>
 </head>

 <body>

  <p>Test passes if there are 2 <strong>identical</strong> blue rectangles, each with 2 small yellow squares: the layout must be identical.</p>

  <div class="outer">
    <div class="inner foo"></div>
    <div class="inner bar"></div>
  </div>

  <div id="reference"><img src="support/blue-yellow-206w-165h.png" width="206" height="165" alt="Image download support must be enabled" /></div>

 </body>
</html>