<!doctype html>
<head>
<style>
table  {
    border-collapse: collapse;
}
td  {
    border: solid 20px rgba(0,0,255,0.5); 
    height: 20px;
    width: 20px;
}
</style>
</head>
<body>
<table>
    <!-- webkit.org/b/119759:  Collapsed borders on non-edge cells should only be painted once. So adjoining borders
        below should be semi-transparent rather than dark. The joins will be dark until that is fixed separately. -->
	<tbody id="tbody1">
        <tr>
            <td></td>
            <td></td>
            <td></td>
        </tr>
        <tr>
            <td></td>
            <td></td>
            <td></td>
        </tr>
        <tr>
            <td></td>
            <td></td>
            <td></td>
        </tr>
    </tbody>
	<tbody id="tbody2">
        <tr>
            <td></td>
            <td></td>
            <td></td>
        </tr>
    </tbody>
</table>
</body
</html>