What are the advantages of CSS?

[SwatiSood]

Web Design: The Advantages of CSS
The layout of a web page is better controlled.
Style (CSS) kept separate from structure (HTML), means smaller file size.
Reduced file size means reduced bandwidth, which means faster loading time.

[lisajohn]

Advantages of CSS
Better Website Speed. For a website to function efficiently, it should have a faster load time. ...
Easier to Maintain. CSS is easy to maintain due to less maintenance time. ...
Consistent Design. ...
Time-Saving. ...
Better Device Compatibility.