Update and view

Updating a page happened to me the following:
Create a BUTTON, modify the space in block and everything is fine in the editor, however when viewing the page the results are different.

When viewing the page the button does not look the same as in the editor. Does anyone have any idea why?

I’m using
WP: 5.8.2
GP Premium: 2.1.1
GenerateBlocks: 1.4.0
Host: SiteGround

Tks!