简洁，不错！

源代码

 <!-- CSS goes in the document HEAD or added to your external stylesheet -->
<style type="text/css">
table.tb-col {
 font-family: verdana,arial,sans-serif;
 font-size:11px;
 color:#333333;
 border-width: 1px;
 border-color: #666666;
 border-collapse: collapse;
}
table.gridtable th {
 border-width: 1px;
 padding: 8px;
 border-style: solid;
 border-color: #666666;
 background-color: #dedede;
}
table.gridtable td {
 border-width: 1px;
 padding: 8px;
 border-style: solid;
 border-color: #666666;
 background-color: #ffffff;
}
</style>

<!-- Table goes in the document BODY -->
<table class="gridtable">
<tr>
 <th>Info Header 1</th><th>Info Header 2</th><th>Info Header 3</th>
</tr>
<tr>
 <td>Text 1A</td><td>Text 1B</td><td>Text 1C</td>
</tr>
<tr>
 <td>Text 2A</td><td>Text 2B</td><td>Text 2C</td>
</tr>
</table>

单像素边框CSS表格
这是一个很常用的表格样式。

鼠标悬停高亮的CSS样式表格 (需要JS)

<!-- CSS goes in the document HEAD or added to your external stylesheet -->
<style type="text/css">
table.hovertable {
 font-family: verdana,arial,sans-serif;
 font-size:11px;
 color:#333333;
 border-width: 1px;
 border-color: #999999;
 border-collapse: collapse;
}
table.hovertable th {
 background-color:#c3dde0;
 border-width: 1px;
 padding: 8px;
 border-style: solid;
 border-color: #a9c6c9;
}
table.hovertable tr {
 background-color:#d4e3e5;
}
table.hovertable td {
 border-width: 1px;
 padding: 8px;
 border-style: solid;
 border-color: #a9c6c9;
}
</style>

<!-- Table goes in the document BODY -->
<table class="hovertable">
<tr>
 <th>Info Header 1</th><th>Info Header 2</th><th>Info Header 3</th>
</tr>
<tr onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
 <td>Item 1A</td><td>Item 1B</td><td>Item 1C</td>
</tr>
<tr onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
 <td>Item 2A</td><td>Item 2B</td><td>Item 2C</td>
</tr>
<tr onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
 <td>Item 3A</td><td>Item 3B</td><td>Item 3C</td>
</tr>
<tr onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
 <td>Item 4A</td><td>Item 4B</td><td>Item 4C</td>
</tr>
<tr onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
 <td>Item 5A</td><td>Item 5B</td><td>Item 5C</td>
</tr>
</table>

四个好看的CSS样式表格