Customizing the appearance of the top bar?

Question

linux

I want to remove the constantly opening tabs on the top panel just like in the browser:

I want to make the icon just highlighted from below if something is open, for example, like this:

How to do this in Xubuntu?

Answer 1

If I understand correctly, then you need to go to the panel options -> Elements and delete the window buttons there (select the window buttons and press the minus button)