diff --git a/main.py b/main.py
index 722af6a..f702255 100644
--- a/main.py
+++ b/main.py
@@ -26,10 +26,10 @@ def draw_feld(feld,color_key,block_size):
         for b in range(len(feld)):
             if feld[b][a] != " ":
                 pygame.draw.rect(screen,color_key[feld[b][a]],
-                                 (a*block_size[0],
-                                  b*block_size[1],
-                                  (block_size[0]),
-                                  (block_size[1])))
+                                 (a*block_size,
+                                  b*block_size,
+                                  block_size,
+                                  block_size))
 def get_block_size():
     return 20,20
 def get_meightboars(feld,position):
@@ -51,16 +51,15 @@ def verarbeite_feld(feld):
                 bellowr = feld2[(y+1)%feldy][(x+1)%feldx]
                 bellowl = feld2[(y+1)%feldy][(x-1)%feldx]
                 direction = random.choice([-1, 1])  # Zufällige Auswahl der Richtung
-
                 if bellow == " " and not bellow == "#":
                     feld2[y][x] = feld[(y+1)%feldy][x]
                     feld2[(y+1)%feldy][x] = feld[y][x]
 
-                elif bellowr == " " and not bellow == "#":
+                elif bellowr == " " and not bellowr == "#":
                     feld2[y][x] = feld[(y+1)%feldy][(x+direction)%feldx]
                     feld2[(y+1)%feldy][(x+direction)%feldx] = feld[y][x]
-                        
-                elif bellowl == " " and not bellow == "#":
+
+                elif bellowl == " " and not bellowl == "#":
                     feld2[y][x] = feld[(y+1)%feldy][(x+direction)%feldx]
                     feld2[(y+1)%feldy][(x+direction)%feldx] = feld[y][x]
     return feld2
@@ -91,7 +90,6 @@ wechselfarbe = "r"
 using_element = "a"
 pixelsize = 20
 
-
 show_debug = False
 running = True
 if __name__ == "__main__":
@@ -103,18 +101,23 @@ if __name__ == "__main__":
             exit()
         if pressed_keys[pygame.K_PLUS] and not preview_pressed_keys[pygame.K_PLUS]:
             pixelsize += 2
+            feld,feldx,feldy = make_feld(pixelsize,display_mode)
         if pressed_keys[pygame.K_MINUS] and not preview_pressed_keys[pygame.K_MINUS]:
             pixelsize -= 2
+            feld,feldx,feldy = make_feld(pixelsize,display_mode)
         if pressed_keys[pygame.K_d] and not preview_pressed_keys[pygame.K_d]:
             show_debug = not show_debug
-        if pressed_keys[pygame.K_RETURN] and not preview_pressed_keys[pygame.K_RETURN]:
+        if pressed_keys[pygame.K_SPACE] and not preview_pressed_keys[pygame.K_SPACE]:
             if using_element == "a":
                 using_element = "#"
             else:
                 using_element = "a"
         if pressed_keys[pygame.K_r] and not preview_pressed_keys[pygame.K_r]:
+            if display_mode == "border":
+                display_mode = "loop"
+            else:
+                display_mode = "border"
             feld,feldx,feldy = make_feld(pixelsize,display_mode)
-            print("reset")
 
         preview_pressed_keys = pressed_keys
         ## event managment
@@ -143,7 +146,7 @@ if __name__ == "__main__":
         acolor = r,g,b
         color_key = {"#":(100,100,100),
                      "a":acolor}
-        draw_feld(feld,color_key,(pixelsize,pixelsize))
+        draw_feld(feld,color_key,pixelsize)
         mx,my = pygame.mouse.get_pos()
         mousepressed = pygame.mouse.get_pressed()[0]
         if mousepressed :