请大家帮忙看一下,谢谢了

Question

随便增加个height高度即可。<table width="800" border="1" cellspacing="0" cellpadding="0">
  <tr>
    <td height="30" align="center" valign="middle">
        <div style="border:1px solid #ff0000;display:inline; margin:1px; padding:1px;height:2">1</div>
        <div style="border:1px solid #ff0000;display:inline; margin:1px; padding:1px;height:2">2</div>
  </tr>
</table>

Answer 1

<table width="800" border="1" cellspacing="0" cellpadding="0">
  <tr>
    <td height="30" align="center" valign="middle">
        <div style="border:1px solid #ff0000;display:inline; margin:2px; padding:2px">1</div>
        <div style="border:1px solid #ff0000;display:inline; margin:2px; padding:2px">2</div>
  </tr>
</table>在firefox下显示很正常啊