WebMar 7, 2024 · 本文将介绍一种基于 CSS 变量技巧,通过合理使用 CSS 变量,实现 CSS 动画 @keyframes 的复用。 CSS 变量. CSS 变量大家应该都比较熟悉了,已经不能算是新知识了,快速过一遍。 CSS 变量(CSS Variable),在之前也叫做 CSS 自定义属性,其使用方 … WebApr 13, 2024 · 利用 nth-of-type 选择某范围内的子元素 发布于 2024-04-13 21:31:20 字数 877 浏览 1 评论 0 table 表格红绿相间,显示的更加直观,也是我们常见的隔行换色,不 …
CSS nth-child trick: get the first/last half of elements
WebAug 22, 2024 · It matches every element that is the nth-child, regardless of the type, of its parent. Syntax: :nth-child (number) { // CSS Property } Where number is the single argument that represents the pattern for … WebFeb 21, 2024 · This may seem weird at first, but it makes more sense when the B part of the formula is >0, like in the next example. :nth-child (n+7) Represents the seventh and all … The :first-child CSS pseudo-class represents the first element among a … A pseudo-class consists of a colon (:) followed by the pseudo-class name … dynasty storage chest new world
【十分鐘 CSS 】css 選擇器 nth-child 與 only-child - YouTube
WebApr 7, 2024 · 对于 :nth-child () 伪类,我们可以用其中一个参数 an+b 来指定选中的子元素的位置,其中 n 是一个以 0 开始的序号; a 和 b 是任意整数,可以省略,也可以为负数。 它的用法和示例如下: 一、算式 1.当只使用 an 时,表示选中每个位置上满足公式条件的元素。 li:nth-child ( 2 n) { color: blue; } 上例中选中每一个偶数位置的 li 元素,即第2、4、6、8... WebFeb 9, 2024 · :nth-child (2n): Select all even children (2nd, 4th, 6th, 8th, and so on). :nth-child (2n+1): Select all odd children (1st, 3rd, 5th, 7th, and so on). :nth-child (5n+1): Select the 1st (= (5×0)+1), 6th (= (5×1)+1), 11th (= (5×2)+1), … child. :nth-child (5n+2): Select the 2nd (= (5×0)+2), 7th (= (5×1)+2), 12th (= (5×2)+2), … child. WebApr 14, 2024 · 基礎介紹網頁架構,本系列將會介紹 HTML、CSS、Javascript。完整系列上完後讓你可以動手寫出屬於自己的網頁。 csaf ois