Make the background color dark red

Main.tscn

@@ -19,6 +19,11 @@ __meta__ = {
 }
 Mob = ExtResource( 2 )
 
+[node name="ColorRect" type="ColorRect" parent="."]
+margin_right = 577.0
+margin_bottom = 739.0
+color = Color( 0.152941, 0.0156863, 0.0156863, 1 )
+
 [node name="MobTimer" type="Timer" parent="."]
 wait_time = 0.53