我有一个列,我需要突出显示相邻的列。
对于以下example fiddle:
<table border="1" style="width:100%;">
<tbody>
<tr>
<th>Number</th>
<th>First Name</th>
<th>Last Name</th>
<th>Points</th>
</tr>
<tr>
<td>1</td>
<td>Eve</td>
<td>Jackson</td>
<td>94</td>
</tr>
<tr>
<td>2</td>
<td>John</td>
<td>Doe</td>
<td>80</td>
</tr>
<tr>
<td>3</td>
<td>Adam</td>
<td>Johnson</td>
<td>67</td>
</tr>
<tr>
<td>4</td>
<td>Jill</td>
<td>Smith</td>
<td>50</td>
</tr>
</tbody>
</table>
我需要在下面几对列周围显示一个额外的边框
Number
和First Name
Last Name
和Points
我该怎么做?
有什么建议吗,好心人?
最佳答案
您可以使用:nth-child
选择器来实现这一点。
tr:first-child th:nth-child(1), tr:first-child th:nth-child(2){
border: 1px solid red;
border-bottom: 0;
}
tr td:nth-child(1), tr td:nth-child(2){
border-left: 1px solid red;
border-right: 1px solid red;
}
tr:last-child td:nth-child(1), tr:last-child td:nth-child(2){
border-bottom: 1px solid red;
}
tr:first-child th:nth-child(3), tr:first-child th:nth-child(4){
border: 1px solid green;
border-bottom: 0;
}
tr td:nth-child(3), tr td:nth-child(4){
border-left: 1px solid green;
border-right: 1px solid green;
}
tr:last-child td:nth-child(3), tr:last-child td:nth-child(4){
border-bottom: 1px solid green;
}
<table border="1" style="width:100%;">
<tbody>
<tr>
<th>Number</th>
<th>First Name</th>
<th>Last Name</th>
<th>Points</th>
</tr>
<tr>
<td>1</td>
<td>Eve</td>
<td>Jackson</td>
<td>94</td>
</tr>
<tr>
<td>2</td>
<td>John</td>
<td>Doe</td>
<td>80</td>
</tr>
<tr>
<td>3</td>
<td>Adam</td>
<td>Johnson</td>
<td>67</td>
</tr>
<tr>
<td>4</td>
<td>Jill</td>
<td>Smith</td>
<td>50</td>
</tr>
</tbody>
</table>