I have been working with the Tkinter ttk.Treeview widget lately and I have been able to change a lot the widget's style using a `ttk.Style`, but sadly I am unable to find a solution to this problem:

How can I change the item's colour when the cursor/mouse is over?

Like the `activebackground` option of `Tkinter.Button`.
Like the VS CODE treeview: When you are navigating the explorer, the file/ folder under the cursor changes the background colour.