我试图使所有按钮都是单边的，但是尽管以后定义的按钮与稍后定义的按钮相同，但开头定义的按钮看起来却有所不同。我遇到的另一个问题是更改标题栏的颜色。
稍后，我尝试定义原始按钮“退出”，但它仍然像这样显示，而选项按钮仍然像这样显示。 [稍后显示]
def createWidgets(self):
self.question = tk.Label(self, text="Welcome to Quiz App\nEach round we will ask you a question\nEach round you will have to\nchoose the correct answer\nGet it right and get a point\nGet it wrong and you don't.")
self.question.grid(row=1, column=1, columnspan=2)
self.ocontinue = tk.Button(self, width=12)
self.ocontinue["text"] = "Continue"
self.ocontinue["command"] = self.ogcont
self.ocontinue.grid(column=1, row=2, columnspan=2, padx=1, pady=1)
self.QUIT = tk.Button(self, text="Quit", width=8,fg="red", command=root.destroy)
self.QUIT.grid(column=1, row=7, columnspan=2, padx=5, pady=5)
self.question.config(bg="#404040", fg="white")
self.ocontinue.config(highlightbackground="#404040")
self.QUIT.config(highlightbackground="#404040")
root.config(bg="#404040")
<~ the original configs
def darkMode(self):
self.answercheck.config(bg="#404040", fg="white")
self.ocontinue.config(highlightbackground="#404040")
self.option1.config(highlightbackground="#404040", highlightthickness=2)
self.option2.config(highlightbackground="#404040", highlightthickness=2)
self.option3.config(highlightbackground="#404040", highlightthickness=2)
self.option4.config(highlightbackground="#404040", highlightthickness=2)
<~ the configs applied to the option buttons.
