import tkinter as tk
from tkinter import ttk

root=tk.Tk()

s=ttk.Style()
s.configure('Wild.TButton',
    background='black',
    foreground='white',
    highlightthickness='20',
    font=('Helvetica', 18, 'bold'))
s.map('Wild.TButton',
    foreground=[('disabled','yellow'),
                ('pressed','red'),
                ('active','blue')],
    background=[('disabled','magenta'),
                ('pressed','!focus','cyan'),
                ('active','green')],
    highlightcolor=[('focus','green'),
                    ('!focus','red')],
    relief=[('pressed','groove'),
            ('!pressed','ridge')])

button=ttk.Button(text='test', style="Wild.TButton")
button.pack(expand=True)

root.mainloop()