diff --git a/app/app.iml b/app/app.iml
index 0e720d4..ffae2be 100644
--- a/app/app.iml
+++ b/app/app.iml
@@ -25,7 +25,7 @@
       </configuration>
     </facet>
   </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_6">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7">
     <output url="file://$MODULE_DIR$/build/intermediates/javac/debug/classes" />
     <output-test url="file://$MODULE_DIR$/build/intermediates/javac/debugUnitTest/classes" />
     <exclude-output />
@@ -87,12 +87,11 @@
       <sourceFolder url="file://$MODULE_DIR$/src/test/shaders" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 20 Platform" jdkType="Android SDK" />
+    <orderEntry type="jdk" jdkName="Android API 29 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="TEST" name="Gradle: junit:junit:4.12@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: org.hamcrest:hamcrest-core:1.3@jar" level="project" />
     <orderEntry type="library" scope="TEST" name="Gradle: org.hamcrest:hamcrest-all:1.3@jar" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: com.google.dexmaker:dexmaker-mockito:1.0@jar" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.mockito:mockito-core:1.9.5@jar" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: com.google.dexmaker:dexmaker:1.0@jar" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.objenesis:objenesis:1.0@jar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.annotation:annotation:1.1.0@jar" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 8c8a8c8..b8f61a4 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -7,7 +7,7 @@
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     android:paddingBottom="@dimen/activity_vertical_margin"
-
+    android:background="#000"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
@@ -18,10 +18,17 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="@string/button_new_game"
+        android:textColor="#000"
+        android:textStyle="bold"
+        android:layout_margin="5dp"
+        android:background="#fff"
         android:id="@+id/new_game"
         android:onClick="newGame" />
 
     <ListView
+        android:layout_margin="5dp"
+        android:padding="5dp"
+        android:background="#fff"
         android:id="@+id/games_list"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
diff --git a/caverna.iml b/caverna.iml
index 22e730a..9e77b8e 100644
--- a/caverna.iml
+++ b/caverna.iml
@@ -8,7 +8,7 @@
       </configuration>
     </facet>
   </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_6" inherit-compiler-output="true">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.gradle" />