Blitz - WPT: isolation-establishes-stacking-context.html

wpt / css / compositing / isolation / isolation-establishes-stacking-context.html

/css/compositing/isolation/isolation-establishes-stacking-context.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Compositing and Blending: The isolation property</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
<link rel="help" href="https://www.w3.org/TR/compositing-1/#isolation">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="For CSS, setting `isolation` to `isolate` will turn the element into a stacking context.">

<style>
#parent {
  width: 100px;
  height: 100px;
  isolation: isolate;
  background: red;
}
#child {
  width: 100px;
  height: 100px;
  position: relative;
  z-index: -1;
  background: green;
}
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="parent">
  <div id="child"></div>
</div>

/css/reference/ref-filled-green-100px-square.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS Reftest Reference</title>
  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
  <style type="text/css"><![CDATA[
  div
  {
  background-color: green;
  height: 100px;
  width: 100px;
  }
  ]]></style>
 </head>
 <body>
  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
  <div></div>
 </body>
</html>