Applications use windows-like window management buttons

[jatrens]

Most software I download from the software store has windows-like window management buttons (minimize, shrink, close) buttons. I'm wondering how I can make them look like the nice default Zorin OS ones. The one I have taken a screenshot of is OnlyOffice

[Ponce-De-Leon]

Welcome to the Forum!

When You use Flatpaks, it can be that they bring own Icons with it. You could try it with the .deb Version instead.

[Storm]

OnlyOffice uses its own framework, so an easy way to do it isn't possible.

Got the same on KDE

[Aravisian]

Might try this, given that OnlyOffice uses QT:

Setting QT5/6 apps to use GTK theme in Zorin OS

Updated to be accurate to current Zorin OS: In terminal, download the qt5 plugins and qt5ct configuration tool: sudo apt install qt5ct qt5-style-plugins Once installed, you will need to change some things in Root: sudo -i nautilus or thunar Or... nemo navigate to /etc/profile.d Open qt-style-override.sh and remove the line there, blanking the file. Save and close. next, open `qt-qpa-platformtheme.sh and change its contents to: export QT_QPA_PLATFORMTHEME=qt5ct Close out t…

I am not sure if the version in use in this thread is QT5 or QT6, though...
I just edited that guide to include QT6 instructions.

[Storm]

[Ponce-De-Leon]

At least the flatpak Version uses the Freedesktop Platform.