<!doctype html>
<html lang=en>
<meta charset=utf-8>
<title>CSS-contain test: layout containment and baselines</title>
<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">
<meta name=assert content="With contain:layout, for the purpose of the vertical-align property, the containing element is treated as having no baseline.">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-layout">
<style>
#red {
position: absolute;
background: red;
width: 100px;
height: 100px;
z-index: -1;
}
.green {
display: inline-block;
height: 100px;
background: green;
width: 50px;
contain: layout;
color: transparent;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id=red></div>
<div class=green></div><div class=green>a</div>