code
qq
<!DOCTYPE html>
<html>
<head>
<title>TAbLe</title>
<link rel="stylesheet" href="ts.css">
</head>
<body>
<table border="0" width="50%" height="200px">
<tr>
<td>
<table border="1" width="100%" height="200px">
<tr>
<td class="b">B</td>
<td class="w">W</td>
</tr>
<tr>
<td class="w">W</td>
<td class="b">B</td>
</tr>
</table>
</td>
<td>
<table border="1" width="100%" height="200px">
<tr>
<td class="r">R</td>
<td class="g">G</td>
<td class="bl">B</td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>