需要帮助的人我有这个 HTML 代码:
<div class="editable">
<div>
<div class="column col1of5">
</div>
<div class="column col1of5">
</div>
<div class="column col1of5">
</div>
<div class="column col1of5">
</div>
<div class="column col1of5">
</div>
</div>
</div>
我想通过 css 选择最后一个 .col1of5 我该怎么做?