<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
+ <item name="preferenceTheme">@style/PreferenceThemeOverlay</item>
</style>
<style name="AppTheme.NoActionBar">