<!DOCTYPE html>
<title>position:relative top constraint should behave correctly for &lt;thead&gt; elements</title>
<link rel="match" href="position-relative-table-top-ref.html" />
<link rel="help" href="https://www.w3.org/TR/css-position-3/#rel-pos" />
<meta name="assert" content="This test checks that the position:relative top constraint behaves correctly for &lt;thead&gt; elements" />

<style>
table {
  border-collapse:collapse;
}

td {
  padding: 0;
}

td > div {
  height: 50px;
  width: 50px;
}

.group 