<!doctype html>
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<html><head>
  <meta charset="utf-8">
  <title>CSS Content: content:none on a :root ruby (blockified) box</title>
  <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1699964">
  <link rel="help" href="https://drafts.csswg.org/css-content/#valdef-content-none">
  <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1699964">
  <meta name="assert" content="content:none should inhibit the :root's children from having boxes.  Its pseudos should not be affected though.">
  <link rel="match" href="content-none-root-ruby-ref.html">
  <style>
:root {
  content: none;
  display: ruby;
  border: 1px solid;
  margin: 50px;
}
*::after { content: 'A'; }
*::before { content: 'B'; }

  </style>
</head>
べ
<rtc>
  <rt>る</rt>
</rtc>
<rbc>
  <rb>FAIL</rb>
  <rb>FAIL</rb>
</rbc>
</html>