<!DOCTYPE html>
<html>
  <meta charset="utf-8">
  <title>CSS Multi-column Layout Test Reference: Test a bidi-override multi-column container with a dir=rtl column-span:all child</title>
  <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">

  <style>
  article {
    column-count: 1;
    column-rule: 6px solid;
    width: 400px;
    outline: 1px solid black;
  }
  h3 {
    /* "column-count: 1" makes this behave like a real spanner. */
    outline: 1px solid blue;
  }
  </style>

  <article>
    <div>before</div><h3 dir="rtl">spanner</h3><div>after</div>
  </article>
</html>