diff --git a/app/src/main/java/org/grapheneos/pdfviewer/PdfViewer.java b/app/src/main/java/org/grapheneos/pdfviewer/PdfViewer.java
index 96d9cfe..4e049f2 100644
--- a/app/src/main/java/org/grapheneos/pdfviewer/PdfViewer.java
+++ b/app/src/main/java/org/grapheneos/pdfviewer/PdfViewer.java
@@ -28,6 +28,7 @@ import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowCompat;
 import androidx.core.view.WindowInsetsCompat;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.Loader;
@@ -157,6 +158,8 @@ public class PdfViewer extends AppCompatActivity implements LoaderManager.Loader
         setContentView(binding.getRoot());
         setSupportActionBar(binding.toolbar);
 
+        WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
+
         // Margins for the toolbar are needed, so that content of the toolbar
         // is not covered by a system button navigation bar when in landscape.
         ViewCompat.setOnApplyWindowInsetsListener(binding.toolbar, (v, windowInsets) -> {
diff --git a/app/src/main/res/values-night/styles.xml b/app/src/main/res/values-night/styles.xml
index 3743572..967fd72 100644
--- a/app/src/main/res/values-night/styles.xml
+++ b/app/src/main/res/values-night/styles.xml
@@ -5,6 +5,7 @@
         <!-- Customize your theme here. -->
         <item name="colorPrimary">#DEFFFFFF</item>
         <item name="android:statusBarColor">#212121</item>
+        <item name="android:navigationBarColor">@android:color/transparent</item>
     </style>
 
     <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.Material3.Dark" />
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index a3ed4e9..183233f 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -5,6 +5,7 @@
         <!-- Customize your theme here. -->
         <item name="colorPrimary">#000000</item>
         <item name="android:statusBarColor">#212121</item>
+        <item name="android:navigationBarColor">@android:color/transparent</item>
     </style>
 
     <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.Material3.Dark" />