diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 2588012..f0e3842 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -4,8 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/id_am_container"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:paddingTop="?attr/actionBarSize">
+    android:layout_height="match_parent">
 
     <fragment
         android:id="@+id/main_nav_host_fragment_activity"
diff --git a/app/src/main/res/layout/main_nav_fragment_device.xml b/app/src/main/res/layout/main_nav_fragment_device.xml
index 1f43f07..cb59517 100644
--- a/app/src/main/res/layout/main_nav_fragment_device.xml
+++ b/app/src/main/res/layout/main_nav_fragment_device.xml
@@ -10,8 +10,9 @@
         android:id="@+id/nav_device_fragment_textview"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:textAlignment="center"
+        android:background="@color/teal_200"
         android:text="@string/hello_blank_fragment"
+        android:textAlignment="center"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"