<table cellspacing= "0 " cellpadding= "0 " align= "center " border= "1 " width= "640 ">
<tr height= "25 ">
<td>
<div align= "center "> 2007-02-14 </div>
</td> <td>
<div align= "center "> 23 </div>
</td> <td>
<div align= "center "> 200 </div>
</td> <td>
<div align= "center "> 150 </div>
</td> <td>
<div align= "center "> 300 </div>
</td> <td>
<div align= "center "> 600 </div>
</td> <td>
<div align= "center "> 308 </div>
</td> <td>
<div align= "center "> 542 </div>
</td> <td>
<div align= "center "> 34990 </div>
</td> <td>
<div align= "center "> 2341 </div>
</td> <td>
<div align= "center "> 2340 </div>
</td> <td>
<div align= "center "> 90 </div>
</td>
</tr>
<tr height= "25 ">
<td>
<div align= "center "> 2007-02-14 </div>
</td> <td>
<div align= "center "> 23 </div>
</td> <td>
<div align= "center "> 200 </div>
</td> <td>
<div align= "center "> 150 </div>
</td> <td>
<div align= "center "> 300 </div>
</td> <td>
<div align= "center "> 600 </div>
</td> <td>
<div align= "center "> 308 </div>
</td> <td>
<div align= "center "> 542 </div>
</td> <td>
<div align= "center "> 34990 </div>
</td> <td>
<div align= "center "> 2341 </div>
</td> <td>
<div align= "center "> 2340 </div>
</td> <td>
<div align= "center "> 90 </div>
</td>
</tr>
</table>
请问下我如何把第二个 <tr> <td> -- </td> </tr> 中左边的border去除成透明的？我定义的CSS中border-left border-right都没有用 请问下高手我如何定义？很急啊 我现在搞了很久都没有搞出来。
------解决方案--------------------
在不改原始代码的情况下：
<style type= "text/css ">
table,tr,td {border:none;}
td {border-bottom:1px solid #000;}
</style>