Update README.md

README.md

@@ -1,3 +1,14 @@
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+
 # Material Dialogs for Android 📱
 
 📱Android Library to implement *animated*, 😍*beautiful*, 🎨*stylish* Material Dialog in android apps easily.
@@ -91,6 +102,26 @@ Setting Material Theme to app is necessary before implementing Material Dialog l
 ```
 These are required prerequisites to implement Material Dialog library.
 
+#### iii. Customize Dialog Theme (Optional)
+If you want to customize dialog view, you can override style in `styles.xml` as below.
+```xml
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.MaterialComponents.Light.DarkActionBar">
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+        <item name="android:fontFamily">@font/montserrat</item>
+
+        <!-- Customize your theme here. -->
+        <item name="material_dialog_background">#FFFFFF</item>
+        <item name="material_dialog_title_text_color">#000000</item>
+        <item name="material_dialog_message_text_color">#5F5F5F</item>
+        <item name="material_dialog_positive_button_color">@color/colorAccent</item>
+        <item name="material_dialog_positive_button_text_color">#FFFFFF</item>
+        <item name="material_dialog_negative_button_text_color">@color/colorAccent</item>
+    </style>
+```
+
 <a name="createDialogInstance"></a>
 ### Create Dialog Instance
 As there are two types of dialogs in library. Material Dialogs are instantiated as follows.