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: green }/* 匹配 .c13 中的...
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{}/*...
selector.class:pseudo-class { property: value; } anchor伪类 在支持 CSS 的浏览器中,链接的不同状态都可以以不同的方式显示 代码 结果 <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <style> a:link { color: #000000; } /* 未访问链接*/ a:visited { color: #00FF00; } /* ...
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...
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...
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...
Pseudo classes are bolted on to selectors to specify a state or relation to the selector. They take the form of selector:pseudo_class { property: value; }, simply with a colon in between the selector and the pseudo class.Links link, targeting unvisited links, and visited, targeting, ...
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; ...
selector:pseudo-class{property:value;} CSS类也可以使用伪类: selector.class:pseudo-class{property:value;} anchor伪类 在支持 CSS 的浏览器中,链接的不同状态都可以以不同的方式显示 a:link{color:#FF0000;}/* 未访问的链接 */a:visited{color:#00FF00;}/* 已访问的链接 */a:hover{color:#FF00FF...
CSS - The :first-child Pseudo-class The:first-childpseudo-class matches a specified element that is the first child of another element. Match the first <p> element In the following example, the selector matches any <p> element that is the first child of any element: ...