Hello, @achraf,
I have checked your site and edited the pages with Elementor and found no issue. It is working fine. Please check the attached screenshots for a better reference.
https://postimg.cc/0rGMkChq
https://postimg.cc/gallery/x04tY5G
You have a cache issue, nothing else. Please check back to your site after clearing the browser cache.
Regards 8Themes Team.