我想<LI>
使用父元素的类之一设置所有子元素<LI>
。在下面的示例“父样式”中。有人可以帮助我朝着正确的方向实现这一目标。谢谢
<li class="current sub-menu parent-style"><a id="drop-a" href="/features.aspx">
<div>Features <span>Out of the Box</span></div>
</a>
<ul class="sub-menuitem sf-js-enabled" style="display: none; visibility: hidden;">
<li class="sub-menu"><a id="drop-a" href="/features/feature-01.aspx">
<div>Feature 01</div>
</a>
<ul class="sub-menuitem sf-js-enabled" style="display: none; visibility: hidden;">
<li><a id="drop-a" href="/features/feature-01/feature-01-a.aspx">
<div>Feature 01 a</div>
</a></li>
</ul>
</li>
<li><a id="drop-a" href="/features/feature-02.aspx">
<div>Feature 02</div>
</a></li>
</ul>
</li>