I use X, Integrity stack. I updated to X 9.0.8 last night and the look of the page works like no css.
My website: www.domfinansowy24.pl
I did: cleaning the cache and re-loading the X theme manually. Unfortunately, nothing helped.
I tested the website on private browsing.
The page should look like this. This is the form I see her in Cornerstone.
In the browser, unfortunately it looks like this: