diff --git a/app/src/main/java/app/fedilab/android/MainApplication.java b/app/src/main/java/app/fedilab/android/MainApplication.java
index e53e23c3..8470bd60 100644
--- a/app/src/main/java/app/fedilab/android/MainApplication.java
+++ b/app/src/main/java/app/fedilab/android/MainApplication.java
@@ -23,6 +23,8 @@ import androidx.multidex.MultiDex;
 import androidx.multidex.MultiDexApplication;
 import androidx.preference.PreferenceManager;
 
+import com.google.android.material.color.DynamicColors;
+
 import org.acra.ACRA;
 import org.acra.ReportField;
 import org.acra.config.CoreConfigurationBuilder;
@@ -43,12 +45,30 @@ public class MainApplication extends MultiDexApplication {
         return app;
     }
 
+    private static final int[] HARMONIZED_MATERIAL_ATTRIBUTES =
+            new int[]{
+                    R.attr.colorOnPrimary,
+                    R.attr.colorPrimaryContainer,
+                    R.attr.colorError,
+                    R.attr.colorOnError,
+                    R.attr.colorErrorContainer,
+                    R.attr.colorOnErrorContainer
+            };
+
     @Override
     public void onCreate() {
         super.onCreate();
         app = this;
         SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(MainApplication.this);
 
+        DynamicColors.applyToActivitiesIfAvailable(this);
+
+      /*  HarmonizedColorsOptions options =
+                new HarmonizedColorsOptions.Builder()
+                        .setColorAttributes(HarmonizedColorAttributes.create(HARMONIZED_MATERIAL_ATTRIBUTES))
+                        .setColorAttributeToHarmonizeWith(R.attr.colorAccent)
+                        .build();
+        HarmonizedColors.applyToContextIfAvailable(this, options);*/
 
         boolean custom_theme = sharedpreferences.getBoolean("use_custom_theme", false);
         boolean no_theme_set = sharedpreferences.getBoolean("no_theme_set", true);
diff --git a/app/src/main/res/layout/datetime_picker.xml b/app/src/main/res/layout/datetime_picker.xml
index d4099cf1..07c4d00c 100644
--- a/app/src/main/res/layout/datetime_picker.xml
+++ b/app/src/main/res/layout/datetime_picker.xml
@@ -57,43 +57,52 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/barrier_date_time_bottom" />
 
-    <androidx.appcompat.widget.AppCompatImageButton
+    <com.google.android.material.button.MaterialButton
         android:id="@+id/date_time_previous"
-        style="@style/Widget.AppCompat.Button.Colored"
+        style="@style/Widget.Material3.Button.Icon"
         android:layout_width="40dp"
         android:layout_height="40dp"
         android:layout_margin="10dp"
         android:contentDescription="@string/previous"
-        android:src="@drawable/ic_baseline_skip_previous_24"
+        android:padding="0dp"
         android:visibility="gone"
+        app:icon="@drawable/ic_baseline_skip_previous_24"
+        app:iconGravity="textStart"
+        app:iconPadding="0dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@id/date_time_next"
         app:layout_constraintHorizontal_chainStyle="packed"
         app:layout_constraintStart_toEndOf="@id/date_time_cancel"
         app:layout_constraintTop_toBottomOf="@id/barrier_date_time_bottom" />
 
-    <androidx.appcompat.widget.AppCompatImageButton
+    <com.google.android.material.button.MaterialButton
         android:id="@+id/date_time_next"
-        style="@style/Widget.AppCompat.Button.Colored"
+        style="@style/Widget.Material3.Button.Icon"
         android:layout_width="40dp"
         android:layout_height="40dp"
         android:layout_margin="10dp"
         android:contentDescription="@string/next"
-        android:src="@drawable/ic_baseline_skip_next_24"
+        android:padding="0dp"
+        app:icon="@drawable/ic_baseline_skip_next_24"
+        app:iconGravity="textStart"
+        app:iconPadding="0dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@id/date_time_set"
         app:layout_constraintHorizontal_chainStyle="packed"
         app:layout_constraintStart_toEndOf="@id/date_time_previous"
         app:layout_constraintTop_toBottomOf="@id/barrier_date_time_bottom" />
 
-    <androidx.appcompat.widget.AppCompatImageButton
+    <com.google.android.material.button.MaterialButton
         android:id="@+id/date_time_set"
-        style="@style/Widget.AppCompat.Button.Colored"
+        style="@style/Widget.Material3.Button.Icon"
         android:layout_width="40dp"
         android:layout_height="40dp"
         android:layout_margin="10dp"
         android:contentDescription="@string/validate"
-        android:src="@drawable/ic_baseline_check_24"
+        android:padding="0dp"
+        app:icon="@drawable/ic_baseline_check_24"
+        app:iconGravity="textStart"
+        app:iconPadding="0dp"
         android:visibility="gone"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"