testing/web-platform/tests/css/css-transforms/perspective-untransformable-no-stacking-context.html


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS transforms: 'perspective' on a non-transformable element doesn't create a stacking context</title>
<link rel="author" title="Matt Woodrow" href="mailto:mwoodrow@mozilla.com">
<link rel="author" title="Mozilla" href="http://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#perspective-property">
<link rel="match" href="perspective-untransformable-no-stacking-context-ref.html">
<meta name="assert" content="Perspective on a non-transformable element shouldn't create a stacking context.">
<style>
* { margin: 0; padding: 0; }
div, span { width: 100px; height: 100px }
#perspective { background: green; padding-top: 100px; perspective: 100px; }
#child { display:inline-block; z-index: -1; position:absolute; background: red; }
#spacer { display:inline-block; }
#wrapper { overflow:hidden }
</style>
<body>
  <div id="wrapper">
    <span id="perspective">
      <div id="child">
      </div>
      <span id="spacer"></span>
    </span>
  </div>
</body>