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<!doctype html>
<html lang=en>
<meta charset=utf-8>
<title>CSS-contain test: layout containment and forced breaks</title>
<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">
<meta name=flags content="">
<meta name=assert content="layout containment allows forced breaks.">
<link rel="match" href="reference/contain-style-breaks-004-ref.html">
<link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-layout">
<link rel=help href="https://drafts.csswg.org/css-break-3/#forced-break">
<style>
article {
columns: 2 1ch;
column-gap: 0;
float: left;
font-family: monospace;
margin-right: 3em;
line-height: 1;
height: 4em;
column-fill: auto;
}
div > div:last-of-type {
break-before: column;
}
#test > div {
contain: layout;
}
</style>
<p>Test passes if there are two identical blocks “A” letters below.
<article id=ref>
<div>
<div>A<br>A</div>
<div>A<br>A</div>
</div>
</article>
<article id=test>
<div>
<div>A<br>A</div>
<div>A<br>A</div>
</div>
</article>
<!--
Having two blocks to avoid making browsers that don't support forced break at all fail.
Since containment is supposed to have no effect, failing such browsers would not be useful.
-->
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