Material Light theme

android-app/src/main/res/layout/onscreen_layout.xml

@@ -2,7 +2,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:orientation="vertical"
-			  style="@style/cpp_onscreen_main_layout_style">
+			  style="@style/CppMain.Onscreen">
 
 	<include
 			a:id="@+id/onscreen_header"

android-app/src/main/res/layout/widget_layout.xml

@@ -4,7 +4,7 @@
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent"
 			  a:orientation="vertical"
-			  style="@style/cpp_widget_main_layout_style">
+			  style="@style/CppMain.Widget">
 
 	<include
 			layout="@layout/widget_editor"

android-app/src/main/res/layout/widget_layout_lockscreen.xml

@@ -4,7 +4,7 @@
 	a:layout_width="match_parent"
 	a:layout_height="match_parent"
 	a:orientation="vertical"
-	style="@style/cpp_widget_main_layout_style">
+	style="@style/CppMain.Widget">
 
 	<include
 		layout="@layout/widget_editor"

android-app/src/main/res/layout/widget_layout_lockscreen_collapsed.xml

@@ -4,7 +4,7 @@
 	a:layout_width="match_parent"
 	a:layout_height="match_parent"
 	a:orientation="vertical"
-	style="@style/cpp_widget_main_layout_style">
+	style="@style/CppMain.Widget">
 
 	<LinearLayout
 		a:id="@+id/main_fragment_layout"