YeomanYe
12/24/2016 - 2:30 PM

CSS:selector selectElemEq

CSS:selector selectElemEq

selectElemEq.css
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li:first-child:nth-last-child(4),
li:first-child:nth-last-child(4) ~ li {
/* 当列表正好包含四项时，命中所有列表项 */
}