注:not(selector) 的参数是一个 css 选择器,比如 not([type="submit"]) 等都是可以的 */.c12:not(span) {color: red }/* 匹配 .c13 中的所有 enabled 状态的元素 */.c13:enabled{color: red }/* 匹配 .c13 中的所有 disabled 状态的元素 */.c13:disabled{color
之所以我们把::before/::after称之为pseduo elements(而不是selector)是因为他们本身并不会选择到任何存在于page的dom中的"real" element。而像前面提到过的first-letter,first-line他们本身是选择到dom中的首字母,首行,所以我们称它为pseduo-class Pseduo class和一般的class有相同的specificity li:first-line{}/*...
Runtime (一) 之—— Class、Selector、IMP 等概念 源地址:http://www.cnblogs.com/yaski/archive/2009/04/05/1429735.html 我们在实际上的编程过程中,也许会遇到这样的场景,那就是我们在写程序的时候不能确切的知道我们需要使用什么类,使用这个类的什么方法。在这个时候,我们需要在我们的程序里面动态的根据用户...
CSS伪类是用来添加一些选择器的特殊效果。 语法 伪类的语法: selector : pseudo - class { property : value ;} 复制 CSS类也可以使用伪类: selector . class : pseudo - class { property : value ;} 复制 anchor伪
selector:pseudo-class { property: value; } 像常规类一样,您可以在选择器中链接尽可能多的伪类。 标准伪类的索引 :active :any :checked :default :dir() :disabled :empty :enabled :first :first-child :first-of-type :fullscreen :focus :hover :indeterminate :in-range :invalid :lang() :last-ch...
The not pseudo-class selector styles the elements that do not match the user defined selector. For example, HTML CSS p:not(.special-paragraph) { color: red; } Browser Output In the above example, p:not(.special-paragraph) { color: red; } select all p elements that are not of the...
selector:pseudo-class{ property:value; } Links can be displayed in different ways: Example /* unvisited link */ a:link{ color:#FF0000; } /* visited link */ a:visited{ color:#00FF00; } /* mouse over link */ a:hover{ color:#FF00FF; ...
A CSS pseudo-class is a keyword added to a selector that lets you style a specific state of the selected element(s). For example, the pseudo-class :hover can be used to select a button when a user's pointer hovers over the button and this selected button
<html> <head> <style> body { font: 300 90%/1.4 system-ui; margin: 1rem; } main :is(h1, h2, h3) { color: green; } main :is(a) { color: red; font-size: large; } </style> </head> <body> <main> <h1>:is() pseudo-class example</h1> <h3>Li Europan lingues</h3> <...
The :dir() pseudo-class in CSS allows elements to be selected based on the direction of the language, as determined in […] .element:dir(rtl) { }Continue Reading :disabledThe :disabled pseudo-class selector provides conditional styling to HTML elements that can receive user input, when the...