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<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Multi-column Layout Test: Restyle column-span's parent that is a block</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="http://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/1072">
<link rel="match" href="multicol-span-all-restyle-001-ref.html">
<meta name="assert" content="This test checks change the style of the spanner's parent should not affect the spanner.">
<script>
function runTest() {
document.body.offsetHeight; // flush layout
var div = document.getElementById("div");
div.style.backgroundColor = "yellow";
document.documentElement.removeAttribute("class");
}
</script>
<style>
#column {
column-count: 1;
width: 400px;
outline: 1px solid black;
}
h3 {
column-span: all;
}
</style>
<body onload="runTest();">
<article id="column">
<div id="div">
<div>yellow block1</div>
<h3>spanner (no background-color)</h3>
<div>yellow block2</div>
</div>
</article>
</body>
</html>
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