diff --git a/Programm/main.py b/Programm/main.py
index 7eeedd3..b57ee20 100644
--- a/Programm/main.py
+++ b/Programm/main.py
@@ -49,7 +49,7 @@ class Main_Window(CTk):
         self.geometry("%dx%d" % (self.height*16/9*self.downSized, self.height*self.downSized))
         set_widget_scaling(self.scale*self.downSized)
         
-        self.sidebar_frame = CTkFrame(master=self, fg_color=mainColor,  width=176, corner_radius=10, bg_color="transparent")
+        self.sidebar_frame = CTkFrame(master=self, fg_color=mainColor,  width=176, corner_radius=10*self.scale, bg_color="transparent")
         self.sidebar_frame.pack(fill=Y,side=LEFT,anchor="w",padx=5, pady=5)
         
 
@@ -83,28 +83,34 @@ class Main_Window(CTk):
         self.main_container = CTkFrame(self, corner_radius=10)
         self.main_container.pack(fill=BOTH, expand=True, padx=(0,5), pady=5,side=RIGHT)
         
+        
+        self.lastButton = None
         self.initiate_window_1()
             
     def initiate_window_1(self):
-        print("c Dashboard")
+        self.updateButton(self.button1)
+        
         self.clear_frame()
         self.buttonTest = CTkButton(master=self.main_container, text="Dashboard", fg_color=contrastColor, font=("Arial Bold", 14), hover_color=mainColor, anchor="center")
         self.buttonTest.pack(padx=5, pady=5,expand=True)
         
     def initiate_window_2(self):
-        print("c Edit")
+        self.updateButton(self.button2)
+        
         self.clear_frame()
         self.buttonTest = CTkButton(master=self.main_container, text="Eintragen", fg_color=contrastColor, font=("Arial Bold", 14), hover_color=mainColor, anchor="center")
         self.buttonTest.pack(padx=5, pady=5,expand=True)
         
     def initiate_window_3(self):
-        print("c Edit")
+        self.updateButton(self.button3)
+        
         self.clear_frame()
         self.buttonTest = CTkButton(master=self.main_container, text="Werte", fg_color=contrastColor, font=("Arial Bold", 14), hover_color=mainColor, anchor="center")
         self.buttonTest.pack(padx=5, pady=5,expand=True)
         
     def initiate_window_4(self):
-        print("c Edit")
+        self.updateButton(self.button4)
+        
         self.clear_frame()
         self.buttonTest = CTkButton(master=self.main_container, text="Spieler", fg_color=contrastColor, font=("Arial Bold", 14), hover_color=mainColor, anchor="center")
         self.buttonTest.pack(padx=5, pady=5,expand=True)
@@ -114,10 +120,20 @@ class Main_Window(CTk):
             self.window_settings = Window_Settings(self)  # create window if its None or destroyed
         else:
             self.window_settings.focus()  # if window exists focus it
-            
+        
+    def updateButton(self,button):
+        if(button != self.lastButton):
+            button.configure(fg_color="#fff", hover_color="#eee",text_color=mainColor)
+            if(self.lastButton != None):
+                self.lastButton.configure(fg_color="transparent", hover_color=contrastColor, text_color="#fff")
+        self.lastButton = button
+        
     def clear_frame(self):
         for widget in self.main_container.winfo_children():
             widget.destroy()
+            
+    
+            
     
 app = Main_Window()