css/css-flexbox/table-as-item-change-cell.html

<!DOCTYPE html>
<title>CSS Flexbox Test: Flex item as table, change contents of cell</title>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#layout-algorithm" title="9. Flex Layout Algorithm">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div style="display:flex; flex-direction:column; width:100px; background:green;">
  <div style="position:relative; z-index:-1; display:table; width:100%; height:100px; background:hotpink;">
    <div style="display:table-cell; width:100px;"></div>
    <div id="cell" style="display:table-cell;">
      <div id="child" style="display:none; color:red;">
        <!-- Add some whitespace after the word "FAIL", in case of negative glyph bearings. -->
        FAIL&nbsp;
      </div>
    </div>
  </div>
</div>
<script>
  document.body.offsetTop;
  document.getElementById("child").style.display = "block";
</script>