@keyframes around { from { margin-left: 100%; } to { margin-left: -5em; } }
The -5em should be passed in as a parameter? Can it be solved?
光阴似箭催人老，日月如移越少年。
Set custom CSS properties combined with the var function. The custom properties start with the -- symbolExample
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> @keyframes around { from { margin-left: 100%; } to { margin-left: var(--margin-left); } } .main{ position: absolute; left:0p; top:0px; width: 200px; height: 200px; background-color: #7C2845; color:#ffffff; --margin-left:-5em; } .main.active{ animation-name: around; animation-duration: 1s; animation-direction: alternate; animation-iteration-count: infinite; } </style> </head> <body> <p class="main active"> TEST </p> </body> </html>
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Set custom CSS properties combined with the var function. The custom properties start with the -- symbol
Example