diff --git a/app/src/main/res/layout/first_level_item.xml b/app/src/main/res/layout/first_level_item.xml
index f53dc6d..68a0797 100644
--- a/app/src/main/res/layout/first_level_item.xml
+++ b/app/src/main/res/layout/first_level_item.xml
@@ -22,9 +22,9 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
-            android:fontFamily="monospace"
-            android:textSize="15dp"
-            android:text="Tree Node" />
+            android:text="Tree Node"
+            android:textAppearance="@style/TextAppearance.AppCompat"
+            android:textSize="18sp" />
     </LinearLayout>
 
 </RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/second_level_item.xml b/app/src/main/res/layout/second_level_item.xml
index f2d1388..b1ede8e 100644
--- a/app/src/main/res/layout/second_level_item.xml
+++ b/app/src/main/res/layout/second_level_item.xml
@@ -25,7 +25,8 @@
             android:layout_gravity="center"
             android:fontFamily="monospace"
             android:text="Tree Node"
-            android:textSize="15dp" />
+            android:textAppearance="@style/TextAppearance.AppCompat"
+            android:textSize="18sp" />
     </LinearLayout>
 
 </RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/third_level_item.xml b/app/src/main/res/layout/third_level_item.xml
index 879bd0e..2679be5 100644
--- a/app/src/main/res/layout/third_level_item.xml
+++ b/app/src/main/res/layout/third_level_item.xml
@@ -20,7 +20,8 @@
             android:layout_gravity="center"
             android:fontFamily="monospace"
             android:text="Tree Node"
-            android:textSize="15dp" />
+            android:textAppearance="@style/TextAppearance.AppCompat"
+            android:textSize="18sp" />
     </LinearLayout>
 
 </RelativeLayout>
\ No newline at end of file