<style name="Theme.ExtraLarge" parent="@style/Theme.AppCompat.Light.NoActionBar">
      
        <!--ListView Elements-->
        <item name="android:textAppearanceListItem">@style/TextAppearance.ListItem</item>
        <item name="android:textAppearanceListItemSmall">@style/TextAppearance.ListItem.Small</item>

        <item name="buttonStyle">@style/BigButtonStyle</item>
      
    </style>

   <style name="TextAppearance.ListItem" parent="@style/TextAppearance.AppCompat.Large">
        <item name="android:textColor">@color/primary_text</item>
        <item name="android:textSize">20sp</item>
    </style>

    <style name="TextAppearance.ListItem.Small" parent="@style/TextAppearance.AppCompat.Medium">
        <item name="android:textSize">18sp</item>
    </style>

    <style name="BigButtonStyle" parent="@style/Widget.AppCompat.Button">
       <item name="android:textSize">20sp</item>
        <item name="android:minHeight">48dip</item>
        <item name="android:minWidth">88dip</item>
    </style>