CSS-选择器-揭秘HTML5和CSS3
CSS3-选择器t属性选择器ta[href$='.pdf'], a[href^='mailto'], a[class*=‘item’] t兄弟选择器tDiv~img t伪类选择器t:nth-child(n), :nth-last-child(n), :last-child, :checked, :empty, :only-child, :nth-of-type(odd), :nth-of-type(even)
文件大小：675KB
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