:nth-child(3n),这种方式要知道每行的元素个数,还有其他方法吗
<div> ... <a class="link">red</a> <a>red</a> <a class="link">blue</a> ... <a>deeppink</a> </div> div a{color:red} div a:last-child{color:deeppink}//最后一个 并且是a div .link:last-of-type{color: blue}//最后一种
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