top.geometry("676x450+458+150")
    top.title("Some title here")
    top.configure(background="#d9d9d9")
    top.configure(highlightbackground="#d9d9d9")
    top.configure(highlightcolor="black")

    username = StringVar()
    password = StringVar()

    def user_login():
        if len(username.get()) != 0 and len(password.get()) != 0:
            result = backend.log(username.get())
            if not result:
                self.messageBox.delete('1.0', END)
                self.messageBox.insert(END, 'Invalid Login')
            else:
                level = result[0]
                user_name = result[1]
                pass_word = result[2]
                if user_name == username.get() and pass_word == password.get():
                    new_window()
                else:
                    self.messageBox.delete('1.0', END)
                    self.messageBox.insert(END, 'Invalid Login')

        else:
            self.messageBox.delete('1.0', END)
            self.messageBox.insert(END, 'Username and Password required')

    # This function opens the window created in Class HomePage
    def new_window():
        self.newWindow = Toplevel(self.top)
        login = HomePage(self.newWindow)

top.geometry("903x568+392+150")
    top.title("Some title here")
    top.configure(background="#d9d9d9")
    top.configure(highlightbackground="#d9d9d9")
    top.configure(highlightcolor="black")

    self.linksFrame = Frame(top)
    self.linksFrame.place(relx=0.035, rely=0.052, relheight=0.875
                          , relwidth=0.272)
    self.linksFrame.configure(relief='groove')
    self.linksFrame.configure(borderwidth="2")
    self.linksFrame.configure(relief='groove')
    self.linksFrame.configure(background="#d9d9d9")
    self.linksFrame.configure(highlightbackground="#d9d9d9")
    self.linksFrame.configure(highlightcolor="black")
    self.linksFrame.configure(width=235)

    # Then I want to be able to say here that:
    self.registerPat = Button(self.linksFrame)
    self.registerPat.place(relx=0.043, rely=0.079, height=34, width=217)
    self.registerPat.configure(activebackground="#ececec")
    self.registerPat.configure(activeforeground="#000000")
    self.registerPat.configure(background="#d9d9d9")
    self.registerPat.configure(disabledforeground="#a3a3a3")
    self.registerPat.configure(foreground="#000000")
    self.registerPat.configure(highlightbackground="#d9d9d9")
    self.registerPat.configure(highlightcolor="black")
    self.registerPat.configure(pady="0")
    self.registerPat.configure(relief='groove')
    self.registerPat.configure(text='''Register Patient''')