css定义表格样式

table.gridtable {
font-family: verdana,arial,sans-serif;
font-size:11px;
color:#333333;
border-width: 1px;
border-color: #a9a9a9;
border-collapse: collapse;
}
table.gridtable th {
border-width: 1px;
padding: 8px 5px;
border-style: solid;
border-color: #a9a9a9;
background-color: #f0f0f0;
text-align: center;;
}
table.gridtable td {
border-width: 1px;
padding: 8px 5px;
border-style: solid;
border-color: #a9a9a9;
background-color: #ffffff;
text-align: center;;
}

<table class="gridtable"
<tr>
<th>标签</th>
</tr>
<tr>
<td>10221</td>
</tr>
</table>