def METHOD_NAME(self) -> None:
    frame = ttk.Frame(self.top)
    frame.grid(sticky=tk.EW)
    for i in range(2):
        frame.columnconfigure(i, weight=1)
    button = ttk.Button(frame, text="Save", command=self.click_save)
    button.grid(row=0, column=0, sticky=tk.EW, padx=PADX)
    button = ttk.Button(frame, text="Cancel", command=self.destroy)
    button.grid(row=0, column=1, sticky=tk.EW)