Start reworking design

gui/home/home.kv

@@ -1,40 +1,36 @@
 <HomeScreen>:
     name: "home"
-    canvas.before:
-        Color:
-            rgba: (20,20,20,0.2)
-        Rectangle:
-            size: self.size
-            pos: self.pos
     GridLayout:
         cols:1
-        Label:
+        MDLabel:
             text: "BiogasanlageControllerApp"
             font_size: 50
-            color: (0, 113, 0, 1)
-            bold:True
-            italic:True
+            halign: 'center'
+            valign: 'center'
+            bold: True
+            italic: True
+            theme_text_color: 'Secondary'
         FloatLayout:
             GridLayout:
                 cols: 2
                 size_hint: 0.8, 0.8
                 pos_hint: {"x": 0.1, "y": 0.1}
-                Button:
+                MDRaisedButton:
+                    style: "outlined"
+                    on_release: root.start()
                     text: "Start"
-                    background_color: (0, 0, 0, 0.6)
                     font_size: 30
-                    on_release:
-                        root.start()
                 Button:
                     text: "Quit"
                     background_color: (0, 0, 0, 0.6)
                     font_size: 30
                     on_release:
                         root.quit()
-            Label:
+            MDLabel:
                 text: "You are running version V3.0.1"
                 font_size: 13
-                pos_hint: {"y": -0.45, "x":0.05}
+                pos_hint: {"y": -0.45, "x":0}
+                halign: 'center'
             Button:
                 text: "About"
                 font_size: 13

gui/home/home.py

@@ -1,4 +1,5 @@
-from kivy.uix.screenmanager import Screen
+from kivymd.app import MDApp
+from kivymd.uix.screen import MDScreen
 from kivy.lang import Builder
 from gui.popups.popups import DualRowPopup, QuitPopup, TwoActionPopup
 from lib.com import ComSuperClass
@@ -21,7 +22,7 @@ information = {
 
 
 # This is the launch screen, i.e. what you see when you start up the app
-class HomeScreen(Screen):
+class HomeScreen(MDScreen):
     def __init__(self, com: ComSuperClass, **kw):
         self._com = com;
         super().__init__(**kw)