diff --git a/app/src/main/java/org/itxtech/daedalus/activity/MainActivity.java b/app/src/main/java/org/itxtech/daedalus/activity/MainActivity.java
index a5007d7..3d456a0 100644
--- a/app/src/main/java/org/itxtech/daedalus/activity/MainActivity.java
+++ b/app/src/main/java/org/itxtech/daedalus/activity/MainActivity.java
@@ -69,6 +69,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        setTheme(R.style.AppTheme_NoActionBar_TransparentStatusBar);
         super.onCreate(savedInstanceState);
 
         instance = this;
diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/MainFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/MainFragment.java
index b63e9ac..ffedda2 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/MainFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/MainFragment.java
@@ -87,7 +87,6 @@ public class MainFragment extends Fragment {
 
     public void activateService() {
         Intent intent = VpnService.prepare(Daedalus.getInstance());
-        view.findViewById(R.id.button_activate).setVisibility(View.INVISIBLE);
         if (intent != null) {
             startActivityForResult(intent, 0);
         } else {
@@ -104,7 +103,6 @@ public class MainFragment extends Fragment {
 
             Button button = (Button) view.findViewById(R.id.button_activate);
             button.setText(R.string.button_text_deactivate);
-            button.setVisibility(View.VISIBLE);
         }
     }
 
diff --git a/app/src/main/res/drawable/ic_github.xml b/app/src/main/res/drawable/ic_github_black_24dp.xml
similarity index 100%
rename from app/src/main/res/drawable/ic_github.xml
rename to app/src/main/res/drawable/ic_github_black_24dp.xml
diff --git a/app/src/main/res/menu/activity_main_drawer.xml b/app/src/main/res/menu/activity_main_drawer.xml
index 88fef54..9fa17fb 100644
--- a/app/src/main/res/menu/activity_main_drawer.xml
+++ b/app/src/main/res/menu/activity_main_drawer.xml
@@ -26,6 +26,6 @@
     <group android:id="@+id/nav_group_help_and_support">
         <item android:id="@+id/nav_github"
               android:title="@string/nav_github"
-              android:icon="@drawable/ic_github"/>
+              android:icon="@drawable/ic_github_black_24dp"/>
     </group>
 </menu>
diff --git a/app/src/main/res/values-v21/styles.xml b/app/src/main/res/values-v21/styles.xml
index b1774b6..33f64a8 100644
--- a/app/src/main/res/values-v21/styles.xml
+++ b/app/src/main/res/values-v21/styles.xml
@@ -13,4 +13,8 @@
         <item name="windowNoTitle">true</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>
     </style>
+
+    <style name="AppTheme.NoActionBar.TransparentStatusBar" parent="AppTheme.NoActionBar">
+        <item name="android:statusBarColor">@android:color/transparent</item>
+    </style>
 </resources>