<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Positioned Layout Module Level 3: getComputedStyle().zIndex</title>
<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-z-index">
<meta name="assert" content="z-index computed value is the keyword auto or an integer.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
</head>
<body>
<div id="target"></div>
<style