diff --git a/config.ini b/config.ini
index 825f948..43f44fe 100644
--- a/config.ini
+++ b/config.ini
@@ -8,7 +8,7 @@ sizew = 800
 [Dev]
 verbose = True
 log_level = DEBUG
-use_test_library = False
+use_test_library = True
 
 [Tariffs]
 impose_tariffs = False
diff --git a/gui/credits/credits.kv b/gui/credits/credits.kv
index 9ef06c2..a5b732c 100644
--- a/gui/credits/credits.kv
+++ b/gui/credits/credits.kv
@@ -2,7 +2,7 @@
     name: "credits"
     canvas.before:
         Color:
-            rgba: (10,10,10,0.1)
+            rgba: (20,20,20,0.2)
         Rectangle:
             size: self.size
             pos: self.pos
diff --git a/gui/home/home.kv b/gui/home/home.kv
index a0afd18..ed76854 100644
--- a/gui/home/home.kv
+++ b/gui/home/home.kv
@@ -2,7 +2,7 @@
     name: "home"
     canvas.before:
         Color:
-            rgba: (10,10,10,0.1)
+            rgba: (20,20,20,0.2)
         Rectangle:
             size: self.size
             pos: self.pos
@@ -21,13 +21,13 @@
                 pos_hint: {"x": 0.1, "y": 0.1}
                 Button:
                     text: "Start"
-                    background_color: (255, 0, 0, 0.6)
+                    background_color: (0, 0, 0, 0.6)
                     font_size: 30
                     on_release:
                         root.start()
                 Button:
                     text: "Quit"
-                    background_color: (255, 0, 0, 0.6)
+                    background_color: (0, 0, 0, 0.6)
                     font_size: 30
                     on_release:
                         root.quit()