I troubleshooted it on your site and it seems the single quote in the provided CSS code is getting converted to HTML entity code when you save it in theme CSS option therefore it is not working so i changed it to double quote in the above provided, please try using that updated code.
Good morning! It worked, thanks a lot!
However, I realized that one extra [space] appears before each category. Is it normal?
There’s a pic attached, for further information.
To help us keep support thread separates could you please create your own thread for your question here https://colorlibsupport.com/c/activello/ instead of replying on others thread as it makes the thread messy and hard to read.
If you want to you can also add reference of this thread in your newly created thread.
We would be more than happy to help you on your new thread.