How to absolutely position a div within a div? It's very simple, just set the position attribute of the parent div to relative and the position attribute of the child div to absolute. . .
Example:
<html><body><div>xxxxx<div><div style="border:1px red solid;width:100%;height:50px;position:relative"><div style="border:1px red solid;width:20px;height:20px;position:absolute;right:0;top:0">x<div><div></body></html>
Effect:
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
