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<!DOCTYPE html>
<html lang=en class="reftest-wait">
<meta charset="utf-8">
<title>CSS Grid Layout Test: Grid positioned item dynamic change.</title>
<link rel="help" href="https://drafts.csswg.org/css-grid-2/#abspos">
<link rel="match" href="grid-positioned-item-dynamic-change-005-ref.html">
<meta name="assert" content="This test checks that positioned items can be dynamically changed.">
<style>
#grid {
display: inline-grid;
grid-template-columns: 50px 50px;
grid-template-rows: 50px 50px;
background-color: blue;
position: relative;
}
#child {
grid-area: 2 / 2 / 2 / 2;
width: 100%;
height: 100%;
background-color: green;
position: absolute;
}
#grandchild {
width: 50%;
height: 50%;
background-color: red;
}
</style>
<body onload=updateConstraints()>
<p>Test passes if it matches the reference.</p>
<div id="grid">
<div id="child">
<marquee id="grandchild"></marquee>
</div>
</div>
</body>
<script>
function updateConstraints() {
document.body.offsetTop;
document.getElementById('child').style.bottom = '0';
document.getElementById('child').style.left = '0';
document.getElementById('child').style.contain = 'strict';
document.documentElement.classList.remove('reftest-wait');
}
</script>
</html>
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