我有一个如下的div结构,我只想针对页面上最后一个.pcontain进行操作,以便我可以删除右边框线 - 我该怎么做?
<div class="container">
<div class="postcontainer">
<div class="latest-posts">
<div class="thumbnail"></div>
<div class="pcontain"></div>
<div class="more"></div>
</div>
</div>
<div class="postcontainer">
<div class="latest-posts">
<div class="thumbnail"></div>
<div class="pcontain"></div>
<div class="more"></div>
</div>
</div>
<div class="postcontainer">
<div class="latest-posts">
<div class="thumbnail"></div>
<div class="pcontain"></div>
<div class="more"></div>
</div>
</div>
<div class="postcontainer">
<div class="latest-posts">
<div class="thumbnail"></div>
<div class="pcontain"></div>
<div class="more"></div>
</div>
</div>
</div>