<!DOCTYPE html>
<html class="reftest-wait">
<title>WebVTT rendering, ::cue(:not(:root)) should not match the root</title>
<link rel="match" href="not_root_selector-ref.html">
<style>
html { overflow:hidden }
body { margin:0 }
::cue(:not(:root)) {
    color:lime
}
</style>
<script src="/common/reftest-wait.js"></script>
<video width="320" height="180" autoplay onplaying="this.onplaying = null; this.pause(); takeScreenshot();">
    <source src="/media/white.webm" type="video/webm">
    <source src="/media/white.mp4" type="video/mp4">
    <track src="../../support/foo_c_bar.vtt">
    <script>
    document.getElementsByTagName('track')[0].track.mode = 'showing';
    </script>
</video>
</html>