SOURCE

<table>
<tr>
<th>星期一</th>
<th>星期二</th>
<th>星期三</th>
<th>星期四</th>
<th>星期五</th>
<th>星期六</th>
<th>星期日</th>
  
</tr>
<tr>
<td>PHP</td>
<td>English</td>
<td>practice（前九周）</td>
<td>PHP</td>
<td></td>
 <td></td>
  <td></td>
</tr>
<tr>
<td>Flash</td>
<td></td>
<td>practice（前九周）</td>
  <td>Flash</td>
  <td></td>
  <td></td>
  <td></td>
</tr>
<tr>
<td></td>
<td>Maya</td>
<td>AE&Maya</td>
 <td></td>
  <td>AE（前九周）</td>
  <td></td>
 <td></td> 
</tr>
<tr>
<td></td>
<td>Maya</td>
<td>AE&Maya</td>
<td></td> 
<td>AE（前九周）</td>
  <td></td>
  <td></td>
</tr>
</table>

table, td, th
{
	border:1px solid green;
}
th
{
	background-color:green;
	color:white;
}