Maybe there is something down with webflow but i put my custom code into webflow, it is an animated gradient background, and it wont show on my live site.
You should be able to use the browser devtools to inspect your published site and see if there are any errors in the console or whether the code you added is rendering correctly.
@Ash_fish - The posting guidelines for this category include the request for you to share a published URL where your project can be viewed with a browser, in addition to your read-only which you shared. Please update your original post.