Can the 404 error page be customized?

It crossed my mind if it is possible to customize the 404 error page.

Hi Kelvis,

There is no direct drag-and-drop UI to customize the 404 page. However, our custom script will also be run on that page. You can add custom CSS or JavaScript to modify existing 404 pages.

Hi,

But how to tell the custom CSS or JavaScript to work in that exact page

The custom code will work on every page. You can write specific CSS classes to customise specific page.