光阴似箭催人老，日月如移越少年。
Just blue overflow:hidden, isn’t it? https://jsfiddle.net/rfj592jf/
Set the blue one to overflow: hidden, and use floating or absolute positioning for blue and yellow
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Just blue overflow:hidden, isn’t it?
https://jsfiddle.net/rfj592jf/
Set the blue one to overflow: hidden, and use floating or absolute positioning for blue and yellow