testing/web-platform/tests/css/css-writing-modes/wm-propagation-body-dynamic-change-002-ref.html


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<!DOCTYPE html>
<html>
  <meta charset="utf-8">
  <title>CSS-Writing Modes Test: propagation of the writing-mode property from body to root</title>
  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">

  <style>
  html {
    writing-mode: vertical-rl;
  }

  main {
    writing-mode: horizontal-tb;
    inline-size: 100px;
  }

  div {
    background-color: blue;
    height: 100px;
    width: 100px;
  }
  </style>

  <main>
    <div></div>
    <p>Test passes if you see a blue square in the upper-right corner of the page</p>
  </main>
</html>