css的僞元素::after和::before

時間 2020-12-25

標籤 CSS學習前端欄目 CSS 简体版

原文原文鏈接

// 轉載自：淺談css的僞元素::after和::before css中的::after和::before已經被大量地使用在我們日常開發中了，使用他們可以使我們的文檔結構更加簡潔。但是很多人對::after和::before仍不是特別瞭解，究竟他們是做什麼的？如何使用他們？什麼時候應該使用他們？筆者總結了一些對僞元素的理解和使用經驗。一、概念： 1.定義從定義我們知道::before和::

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1. CSS僞類元素：after ：before
2. css僞元素 ::after ::before
3. css僞元素after、before
4. 淺談css的僞元素::after和::before
5. CSS的僞元素::after和::before
6. CSS 的::before 和 ::after 僞元素用法
7. css before和after僞元素應用
8. CSS ::before 和 ::after 僞元素進階
9. CSS ::before 和 ::after 僞元素用法
10. JavaWeb—CSS僞元素before和after
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