diff --git a/projet_tkinter.py b/projet_tkinter.py
index 4d15c79..773024d 100644
--- a/projet_tkinter.py
+++ b/projet_tkinter.py
@@ -3,11 +3,12 @@ import tkinter as tk
 def allumer ():
     canva.itemconfigure(rond, fill='yellow')
     canva.itemconfigure(rectangle,fill='black')
+    canva['bg']='white'
     
 def eteindre ():
     canva.itemconfigure(rond,fill='black',outline='white')
     canva.itemconfigure(rectangle,fill='white')
-
+    canva['bg']='black'
 fenetre = tk.Tk()
 fenetre.title('lampe')
 canva=tk.Canvas(fenetre, width=500, height=500, bg='black')