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wm-propagation-body-047.html (2146B)

      1 <!DOCTYPE html>
      2 
      3  <meta charset="UTF-8">
      4 
      5  <title>CSS Writing Modes Test: 'writing-mode: sideways-lr' set to &lt;body&gt; element propagates to viewport</title>
      6 
      7  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
      8  <link rel="help" href="https://www.w3.org/TR/css-writing-modes-4/#principal-flow" title="8. The Principal Writing Mode">
      9  <!--
     10  Issue 3066: [css-writing-modes] Does vertical writing mode of an HTML body
     11  element cause an orthogonal flow?
     12  https://github.com/w3c/csswg-drafts/issues/3066
     13  -->
     14  <link rel="match" href="wm-propagation-body-047-ref.html">
     15 
     16  <meta name="assert" content="This test checks that when the root element has a &lt;body&gt; child element, then the principal writing mode is instead taken from the values of writing-mode and direction on the first such child element instead of taken from the root element.">
     17 
     18  <!--
     19  Tests 032 to 035: html's writing-mode is not specified
     20 
     21  Tests 036 to 039: html's writing-mode is specified as horizontal-tb
     22 
     23  Tests 040 to 043: html's writing-mode is specified as vertical-rl
     24 
     25  Tests 044 to 047: html's writing-mode is specified as vertical-lr
     26 
     27  Tests 048 to 051: html's writing-mode is specified as sideways-rl
     28 
     29  Tests 052 to 055: html's writing-mode is specified as sideways-lr
     30  -->
     31 
     32  <style>
     33  html
     34    {
     35      writing-mode: vertical-lr;
     36    }
     37 
     38  body
     39    {
     40      writing-mode: sideways-lr;
     41    }
     42 
     43  html::after
     44    {
     45      content: "This text must be written sideways: vertically, with letters rotated 90 degrees.";
     46      text-orientation: upright; /* this has no effect with sideways-rl, but does with vertical-rl*/
     47    }
     48 
     49  div
     50    {
     51      background-color: teal;
     52      height: 100px;
     53      width: 100px;
     54    }
     55  img
     56    {
     57      display: block;
     58      margin-left: 1em;
     59      margin-right: 1em;
     60    }
     61 
     62  </style>
     63 
     64 <body>
     65 
     66  <div></div>
     67 
     68  <img src="support/wm-propagation-body-035-exp-res.png" width="322" height="38" alt="Image download support must be enabled">
     69 
     70  <!--
     71  The image says:
     72  Test passes if there is a teal square in
     73  the <strong>lower-left corner</strong> of the page.
     74  -->