diff --git a/colors/main.py b/colors/main.py
index 5d782e9..ce59955 100644
--- a/colors/main.py
+++ b/colors/main.py
@@ -1,3 +1,5 @@
+import time
+
 import pygame
 
 
@@ -15,6 +17,12 @@ def main():
     window = pygame.display.set_mode((720, 720), pygame.FULLSCREEN)
     rainbow_pos = 0
 
+    window.fill((0, 0, 0))
+    pygame.draw.line(window, (255, 255, 255), (0, 0), (720, 720), 5)
+    pygame.draw.line(window, (255, 255, 255), (0, 720), (720, 0), 5)
+    pygame.display.flip()
+    time.sleep(1)
+
     running = True
     while running:
         clock.tick(60)