Titlebar button look interesting in Pamac

[LinuxNoob]

Other than that, some places also appear white.
Like this:

Is there any solution?

[SGS]

Reboot, log-out/in.
Or change icons

[LinuxNoob]

I've tried both but it's still the same.

[SGS]

Ok , then read

Reporting bugs

please, and post the inxi.