PHP前端开发

CSS 中 :first-child 伪类的用法

百变鹏仔 3个月前 (09-20) #CSS
文章标签 CSS

使用 :first-child 伪类向作为其他元素的第一个子元素的元素添加特殊样式。

示例

您可以尝试运行以下代码来了解 :first-child 伪类的用法 -

<html>   <head>      <style>         div > p:first-child         {            text-indent: 25px;         }      </style>   </head>   <body>      <div>         <p>First paragraph in div. This paragraph will be indented</p>         <p>Second paragraph in div. This paragraph will not be indented</p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/cb6835dc7db1" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">前端免费学习笔记(深入)</a>”;</p>      </div>         <p>But it will not match the paragraph in this HTML:</p>      <div>         <h3>Heading</h3>         <p>The first paragraph inside the div. This paragraph will not be effected.</p>      </div>   </body></html>