testing/web-platform/tests/css/css-transforms/preserve3d-nested-perspective.html


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<!doctype html>
<title>CSS Test: nested preserve-3d and perspective without transformed items</title>
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#perspective">
<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#transform-style-property">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1505222">
<link rel="match" href="preserve3d-nested-perspective-ref.html">
<style>
  html, body { margin: 0 }
  #box {
    width: 100px;
    height: 100px;
    background: green;
  }
</style>
<!-- Since we don't specify any transform, this should render just a 100x100px red box -->
<div style="perspective: 1200px">
  <div style="transform-style: preserve-3d">
    <div style="transform-style: flat">
      <div id="box" style="transform-style: preserve-3d"></div>
    </div>
  </div>
</div>