<!DOCTYPE html><!-- webkit-test-runner [ experimental:WebAnimationsCSSIntegrationEnabled=false ] -->
<html>
<title>WebVTT rendering, default cue font size transition</title>
<style>
html { overflow:hidden }
body { margin:0 }
::cue(c) {
    -o-transition-duration: 0.5s;
    transition-duration: 0.5s;
}
</style>
<video id="video" width="1280" height="720" autoplay>
    <source src="../reftest/media/white.webm" type="video/webm">
    <source src="../reftest/media/white.mp4" type="video/mp4">
    <track src="support/class.vtt">
</video>
<script>
document.getElementsByTagName('track')[0].track.mode = 'showing';
</script>
</html>