No effect of button settings in front-end

I was using Editor Plus a while ago on my own website. Since experience was good I installed it on a client’s website today.
But I noticed that e.g settings for a button are reflected in the block editor, but have no effect on the front-end.
I tried it on my own web-site again and found the same.
I added an icon, some padding and shadow to a button.
Here is the result in the editor:

Notice the icon, the increased padding and the shadow on the right button.
Anyhow, here is how it looks on the front-end:

Nothing, no icon, no padding, no shadow.
I looked into the developer tools. There is no html for the icon and no CSS for the padding and the shadow. It’s not that there is CSS that is overwritten due to conflicts with other rules, it’s simply nothing there.
When I use the “!important” directive where possible (padding, icon space) it has still no effect.
It seems, that Editor Plus hasn’t generated any code.

I tested headings.
Here the settings have an effect also in front-end (alignment center, uppercase). For color I had to add the exclamation mark (!important) but then it worked, too.

And idea why button setting doesn’t work?

• This topic was modified 1 year, 3 months ago by cortlieb.

The page I need help with: [log in to see the link]