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<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Containment Test: 'contain: paint' and absolutely positioned descendants</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
<link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-paint">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta content="This test checks that paint containment applies to atomic inline elements so that they can act as containing block for absolutely positioned descendants." name="assert">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
div#rel-pos-red
{
background-image: url("support/pattern-gg-gr-100x100.png");
color: green;
font-family: Ahem;
font-size: 50px;
height: 2em;
line-height: 1;
position: relative;
width: 2em;
}
div#containing-block
{
contain: paint;
display: inline-block;
height: 50%;
vertical-align: top;
width: 50%;
}
div#abspos
{
background-color: green;
height: 50px;
position: absolute;
left: 0px;
width: 50px;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.
<div id="rel-pos-red">
AB C<div id="containing-block">
<div id="abspos"></div>
</div>
</div>
<!--
|--------|
| A B |
| .---|
| C |c-b|
|----|---|
-->
|
