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Test Info:
<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
<html>
<head>
<title>CSS Test: Sticky Positioning - top+bottom, at middle</title>
<link rel="author" title="Corey Ford" href="mailto:cford@mozilla.com">
<link rel="match" href="top-bottom-2-ref.html">
<meta name="flags" content="dom">
<meta name="assert" content="Top+bottom sticky, scrolled to the middle: should stay in its normal position">
<style>
#scroll {
height: 100px;
overflow: hidden;
}
#sticky {
position: sticky;
top: 10px;
bottom: 10px;
height: 10px;
background-color: black;
}
</style>
</head>
<body>
<div id="scroll">
<div style="height: 100px"></div>
<div id="sticky"></div>
<div style="height: 100px"></div>
</div>
<script type="application/javascript">
document.getElementById("scroll").scrollTop = 50;
</script>
</body>
</html>