1.伪类和伪元素的引入 CSSintroduces the concepts of pseudo-elements and pseudo-classes to permit formatting based on information that lies outside the document tree. CSS 引入伪类和伪元素的概念是为了格式化文档树以外的信息。也就是说,伪类和伪元素是用来修
pseudo-classes:begin with " :: " pseudo-elements:begin with " : " 3.The list of pseudo-classes and pseudo-elements(In Chinese): ①pseudo-classes ②pseudo-elements
CSS introduces the concepts of pseudo-elements and pseudo-classes to permit formatting based on information that lies outside the document tree. 直译过来就是:css引入伪类和伪元素概念是为了格式化文档树以外的信息。也就是说,伪类和伪元素是用来修饰不在文档树中的部分,比如,一句话中的第一个字母,或者是列...
CSS introduces the concepts of pseudo-elements and pseudo-classes to permit formatting based on information that lies outside the document tree. 直译过来就是:css引入伪类和伪元素概念是为了格式化文档树以外的信息。也就是说,伪类和伪元素是用来修饰不在文档树中的部分,比如,一句话中的第一个字母,或者是...
Pseudo-elements and HTML Classes Pseudo-elements can be combined with HTML classes: Example p.intro::first-letter{ color: #ff0000; font-size: 200%; } <!DOCTYPE html>p.intro::first-letter{color:#ff0000;font-size:200%;}This is an introduction.This is a paragraph with some text. A bit...
CSS pseudo-classes and pseudo-elements can certainly be a handful. They provide so many possibilities that one can easily feel overwhelmed, but that’s the life of a web designer and developer! In this guide, Ricardo Zea will teach you all the things you
Style visited and unvisited links differently Style an element when it gets focus Style valid/invalid/required/optional form elements Mouse Over Me Syntax The syntax of pseudo-classes: selector:pseudo-class{ property:value; } Links can be displayed in different ways: ...
Pseudo-elements and HTML Classes Pseudo-elements can be combined with HTML classes: Example p.intro::first-letter{ color:#ff0000; font-size:200%; } Try it Yourself » The example above will display the first letter of paragraphs with class="intro", in red and in a larger size. ...
CSS Pseudo-elements 伪元素是一个附加至选择器末的关键词,允许对被选择元素的特定部分修改样式。CSS伪元素是一种样式化文档元素的方法,这些元素没有由文档树中的位置明确定义。 CSS Pseudo-elements 伪元素是一个附加至选择器末的关键词,允许对被选择元素的特定部分修改样式。CSS伪元素是一种样式化文档元素的方法,...
css类也可以与伪元素配合使用: select.class:pseudo-element{property:value;} :first-line伪元素, "first-line"伪元素用于向文本的首行设置特殊样式, p:first-line{ color:#ff0000; font-variant:small-caps; } 注释:"first-line"伪元素只能用于块级元素. ...