Anchors that are descendants of@H_301_14@ list items that have the class someclass and are themselves descendants of@H_301_14@ unordered lists that are descendants of@H_301_14@ the element with ID someid.

#someid ul li .someclass a means

Anchors that are descendants of@H_301_14@ any elements that have the class someclass and are themselves descendants of@H_301_14@ list items that are descendants of@H_301_14@ unordered lists that are descendants of@H_301_14@ the element with ID someid.

因此,< a>以下标记中的元素由第一个规则匹配,但不与第二个规则匹配：

@H_403_51@
并且< a>以下标记中的元素由第二个规则匹配,但不是由第一个规则匹配：

@H_403_51@

 原文链接：https://www.f2er.com/css/427231.html

      

      
                 

        
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