<!DOCTYPE html>
<style>
table {
border-collapse: collapse;
}
colgroup {
border: 50px solid lightblue;
}
td {
width: 20px;
height: 20px;
padding: 0px;
}
</style>
<script src="../../../resources/check-layout.js"></script>
<table data-expected-client-width="140">
<colgroup><col span=2></colgroup>
<tr>
<td></td><td></td>
</tr>
</table>
<script>
checkLayout("table");
</script>