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Test Info:

<html>
<head>
<style>
* {
transition-duration: 2s;
}
</style>
<script>
function start () {
const element = document.createElementNS('', 's');
const effect = new KeyframeEffect(document.documentElement, {}, 196);
document.documentElement.setAttribute('style', 'padding-left:3');
effect.updateTiming({ 'delay': 2723 });
const animations = document.getAnimations();
animations[0].effect = effect;
animations[0].updatePlaybackRate(-129);
effect.target = element;
}
document.addEventListener('DOMContentLoaded', start);
</script>
</head>
</html>