diff --git a/simple_test.py b/simple_test.py
index 6127b79..42d8f97 100644
--- a/simple_test.py
+++ b/simple_test.py
@@ -1,59 +1,39 @@
-# import tkinter
-# import customtkinter
-#
-# customtkinter.enable_macos_darkmode()
-# #customtkinter.set_appearance_mode("Light")
-#
-# app = tkinter.Tk()
-# app.geometry("400x240")
-# app.title("CustomTkinter Test")
-#
-#
-# def button_function():
-#     print("button pressed")
-#
-#
-# def slider_function(value):
-#     progressbar_1.set(value)
-#
-#
-# frame_1 = customtkinter.CTkFrame(master=app, width=300, height=200, corner_radius=15)
-# frame_1.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
-#
-# label_1 = customtkinter.CTkLabel(master=frame_1)
-# label_1.place(relx=0.5, rely=0.1, anchor=tkinter.CENTER)
-#
-# progressbar_1 = customtkinter.CTkProgressBar(master=frame_1)
-# progressbar_1.place(relx=0.5, rely=0.25, anchor=tkinter.CENTER)
-#
-# button_1 = customtkinter.CTkButton(master=frame_1, corner_radius=10, command=button_function)
-# button_1.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
-#
-# slider_1 = customtkinter.CTkSlider(master=frame_1, command=slider_function)
-# slider_1.place(relx=0.5, rely=0.7, anchor=tkinter.CENTER)
-#
-# entry_1 = customtkinter.CTkEntry(master=frame_1)
-# entry_1.place(relx=0.5, rely=0.85, anchor=tkinter.CENTER)
-#
-# app.mainloop()
-# customtkinter.disable_macos_darkmode()
-#
-
 import tkinter
 import customtkinter
 
-# customtkinter.enable_macos_darkmode()
-customtkinter.set_appearance_mode("light")
+customtkinter.enable_macos_darkmode()
+customtkinter.set_appearance_mode("System")  # Other: "Dark", "System" (only macOS)
+
+app = tkinter.Tk()
+app.geometry("400x240")
+app.title("CustomTkinter Test")
 
-root_tk = tkinter.Tk()
-root_tk.geometry("250x150")
-root_tk.title("CustomTkinter Test")
 
 def button_function():
     print("button pressed")
 
-button = customtkinter.CTkButton(master=root_tk, corner_radius=10, command=button_function)
-button.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
 
-root_tk.mainloop()
-customtkinter.disable_macos_darkmode()
\ No newline at end of file
+def slider_function(value):
+    progressbar_1.set(value)
+
+
+frame_1 = customtkinter.CTkFrame(master=app, width=300, height=200, corner_radius=15)
+frame_1.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+
+label_1 = customtkinter.CTkLabel(master=frame_1)
+label_1.place(relx=0.5, rely=0.1, anchor=tkinter.CENTER)
+
+progressbar_1 = customtkinter.CTkProgressBar(master=frame_1)
+progressbar_1.place(relx=0.5, rely=0.25, anchor=tkinter.CENTER)
+
+button_1 = customtkinter.CTkButton(master=frame_1, corner_radius=10, command=button_function)
+button_1.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+
+slider_1 = customtkinter.CTkSlider(master=frame_1, command=slider_function)
+slider_1.place(relx=0.5, rely=0.7, anchor=tkinter.CENTER)
+
+entry_1 = customtkinter.CTkEntry(master=frame_1)
+entry_1.place(relx=0.5, rely=0.85, anchor=tkinter.CENTER)
+
+app.mainloop()
+customtkinter.disable_macos_darkmode()