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有人可以告诉我如何将我的 CSS 从类选择器 (.nav) 更改为 id 选择器 (#nav)。帮助和一点解释将非常有帮助。谢谢!
CSS 示例:
ul.nav li ul ul
像这样:
ul#nav li ul ul { /* your styles */ }
#nav li ul ul
ID 选择器独立于类或元素。要查找 id="nav" 的元素,请使用 #nav 选择