001伪元素绝对定位相对于本身元素的位置

一、效果

本身元素width:100px,绝对定位后:left:50px,如下图所示.

 

 

二、代码如下:

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<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{padding: 0;margin: 0;}
        .test {
            width: 100px;
            height: 100px;
            background: green;
        }
 
        .test:after {
            position: absolute;
            left: 50px;
            content: "12";
            background: grey;
            width: 50px;
            height: 50px;
        }
    </style>
</head>
<body>
    <div class='test'></div>
</body>
</html>

　　

posted @   arun_python  阅读(942)  评论(0)  编辑  收藏  举报
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