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Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<title>Change perspective property</title>
<link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org">
<link rel="help" href="https://crbug.com/1365255">
<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
<style>
#target {
width: 10px;
height: 10px;
background: red;
transform: translateZ(-10px);
}
#container {
width: 100px;
height: 100px;
background: green;
perspective: 100px;
perspective-origin: -10px -10px;
}
</style>
<p>Test passes if there is a filled green square.</p>
<div id="container">
<div id="target"></div>
</div>
<script>
requestAnimationFrame(() => {
requestAnimationFrame(() => {
container.style.perspective = '1px';
document.documentElement.removeAttribute('class');
});
});
</script>