<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Bug 331679 testcase</title>
<style id="style">
.cat::-moz-table-row-group { overflow: scroll; }
.toad { position: absolute; }
</style>
<script>
function init()
{
document.getElementById("style").textContent += "table::-moz-table-row { opacity: 0.2; }";
document.getElementById("row").setAttribute("class", "toad");
document.getElementById("table").setAttribute("class", "cat");
}
window.addEventListener("load", init, false);
</script>
</head>
<body>
<table id="table">
<tr id="row">
<td>Cell</td>
</tr>
</table>
</body>
</html>