A CSS pseudo-class is a keyword added to selectors that specifies a special state of the element to be selected. For example :hover will apply a style when the user hovers over the element specified by the selector. 我觉得 pseudo class 叫 state selector pseudo elements 叫 sub-elements sel...
CSS 之pseudo-classes 与pseudo-element的异同 从W3School找到相关资料如下: 伪类: 伪类存在的意义是为了通过选择器找到那些不存在与DOM树中的信息以及不能被常规CSS选择器获取到的信息。 伪类由一个冒号:开头,冒号后面是伪类的名称和包含在圆括号中的可选参数。 任何常规选择器可以再任何位置使用伪类。伪类语法不区别...
CSS进阶篇——伪元素 (pseudo elements) 伪元素(pseudo elements)和伪类(pseudo classes)非常相像,都是依附在选择器上使用 selector:pseudoelement { property: value; }。 首字母 & 首行 first-letter 作用于盒模型元素的第一个字母,first-line 作用于最顶部的...
1p::first-letter{2color:#ff0000;3font-size:xx-large;4}56p::first-line{7color:#0000ff;8font-variant:small-caps;9} All CSS Pseudo Elements
We’ve discussed a lot about the internals of using CSS in this ongoing series on web components, but there are a few special pseudo-elements and pseudo-classes that, like good friends, willingly smell your possibly halitotic breath before you go talk to that potential love interest. You ...
Why and how to build a landing page using pseudo-classes and pseudo-elements in CSS.
CSS 2.1 Selectors, Pseudo-Classes, and Pseudo-Elements: Appendix C - CSS Cookbook, Third EditionChristopher Schmitt
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 need to keep in mind so that yo...
Pseudo-classes and CSS ClassesPseudo-classes can be combined with CSS classes:When you hover over the link in the example, it will change color:Example a.highlight:hover { color: #ff0000;} Try it yourself » Hover on An example of using the :hover pseudo-class on a element:Example...
In this example, :lang defines the quotation marks for q elements with lang="no": 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. All CSS Pseudo Classes All CSS Pseudo Elements