improve donation reminder dialog text padding in tablet layouts

app/src/main/res/layout/donation_reminder_dialog.xml

@@ -30,7 +30,7 @@
             android:id="@+id/tvMessage"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_margin="@dimen/standard_margin"
+            android:layout_margin="@dimen/donation_reminder_padding"
             android:gravity="center"
             android:text="@string/donate_message" />
 

app/src/main/res/values-sw600dp/dimens.xml

@@ -15,5 +15,6 @@
     <dimen name="footer_text_padding">20dp</dimen>
     <dimen name="splash_text_top_padding">140dp</dimen>
     <dimen name="mainbutton_padding">32dp</dimen>
+    <dimen name="donation_reminder_padding">24dp</dimen>
 
 </resources>
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app/src/main/res/values-w820dp/dimens.xml

@@ -12,5 +12,6 @@
     <dimen name="footer_text_padding">12dp</dimen>
     <dimen name="splash_text_top_padding">90dp</dimen>
     <dimen name="mainbutton_padding">32dp</dimen>
+    <dimen name="donation_reminder_padding">24dp</dimen>
 
 </resources>

app/src/main/res/values/dimens.xml

@@ -46,5 +46,6 @@
     <dimen name="button_bevel">3dp</dimen>
     <dimen name="button_radius">16dp</dimen>
     <dimen name="mainbutton_padding">8dp</dimen>
+    <dimen name="donation_reminder_padding">8dp</dimen>
 
 </resources>
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