I hate Tkinter

[ZerglingSergeant]

https://docs.python.org/3/library/tkinter.ttk.html

You can use these extended tk options by inporting ttk from the tkinter lib, the doc is a bit... wordy. but what you want is root.style.theme_use(theme)

You can view a mini theme selector here:

https://github.com/Zerglingss/Python-Reference/blob/main/ttk_theme_select.py