Web:nth-child(n) 选择器匹配属于其父元素的第 N 个子元素,不论元素的类型。 n 可以是数字、关键词或公式。 提示: 请参阅 :nth-of-type() 选择器,该选择器选取父元素的第 N 个指 … Web20 apr. 2024 · Use a white space to match all descendants of an element: div.dropdown * { color: red; } x y matches every element y that is inside x, however deeply nested it may be - children, grandchildren and so on. The asterisk * matches any element. Official Specification: CSS 2.1: Chapter 5.5: Descendant Selectors. Share.
How nth-child Works CSS-Tricks - CSS-Tricks
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WebThe :nth-child ( n) selector matches every element that is the n th child of its parent. n can be a number, a keyword (odd or even), or a formula (like an + b ). Tip: Look at the :nth-of … Web8 feb. 2010 · It boils down to what is in between those parentheses. nth-child accepts two keywords in that spot: even and odd. Those should be pretty obvious. “Even” selects even numbered elements, like the 2nd, 4th, 6th, etc. “Odd” selects odd numbered elements, like 1st, 3rd, 5th, etc. As seen in the first example, nth-child also accepts ... WebThe :nth-child (an+b) pseudo-class notation represents an element that has an+b-1 siblings before it in the document tree, for any positive integer or zero value of n, and has a parent element. Update 1. You could also simplify this by using. #id li:nth-child (-n+3) p:after { content: 'OM'; color: pink; } #id li:nth-last-child (-n+3) p:after ... cliche treatment hair