Start reworking design

gui/program/program.kv

@@ -1,12 +1,7 @@
 <ProgramScreen>:
     name: "program"
     on_enter: self.config_loader = root.load_config()
-    canvas.before:
-        Color:
-            rgba: (10,10,10,0.1)
-        Rectangle:
-            size: self.size
-            pos: self.pos
+    md_bg_color: app.theme_cls.primary_color
     FloatLayout:
         Label:
             text: "Configuration"

gui/program/program.py

@@ -1,5 +1,5 @@
 from typing import List
-from kivy.uix.screenmanager import Screen
+from kivymd.uix.screen import MDScreen
 from kivy.lang import Builder
 from lib.decoder import Decoder
 from lib.instructions import Instructions
@@ -13,7 +13,7 @@ from kivy.clock import Clock
 name_map = ["a", "b", "c", "t"]
 
 
-class ProgramScreen(Screen):
+class ProgramScreen(MDScreen):
     def __init__(self, com: ComSuperClass, **kw):
         self._com = com
         self._instructions = Instructions(com)