article_colors_block14.xml

<style name="Theme.MyApp" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
    <item name="textAppearanceBody1">@style/TextAppearance.MyApp.Body1</item>
    <item name="bottomNavigationStyle">@style/Widget.MaterialComponents.BottomNavigationView.PrimarySurface</item>
    ...
  </style>

  <style name="Theme.MyApp.Default" parent="Theme.MyApp">
    <item name="colorPrimary">@color/brandPink</item>
    ...
  </style>

  <style name="Theme.MyApp.Alternative" parent="Theme.MyApp">
    <item name="colorPrimary">@color/brandVioletPremium</item>
    ...
  </style>