wulkanowy-mod/app/src/main/res/values/styles.xml

<resources>

    <style name="WulkanowyTheme" parent="@style/Theme.AppCompat.DayNight">
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorPrimary</item>
        <item name="actionMenuTextColor">@android:color/primary_text_dark</item>
        <item name="android:textColorPrimary">@android:color/primary_text_light</item>
        <item name="android:textColorSecondary">@android:color/secondary_text_light</item>
        <item name="android:textColorSecondaryInverse">@android:color/primary_text_dark</item>
        <item name="android:textColorTertiary">@android:color/primary_text_light</item>
        <item name="android:textColorTertiaryInverse">@android:color/primary_text_dark</item>
        <item name="titleTextColor">@android:color/primary_text_dark</item>
        <item name="subtitleTextColor">@android:color/primary_text_dark</item>
        <item name="android:colorBackground">@android:color/white</item>
        <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
        <item name="bottomNavBackground">@color/bottom_nav_background_inverse</item>
    </style>

    <style name="WulkanowyTheme.DarkActionBar" parent="@style/Theme.AppCompat.DayNight.DarkActionBar">
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorPrimary</item>
        <item name="actionMenuTextColor">@android:color/primary_text_dark</item>
        <item name="android:textColorPrimary">@android:color/primary_text_light</item>
        <item name="android:textColorSecondary">@android:color/primary_text_light</item>
        <item name="android:textColorSecondaryInverse">@android:color/primary_text_dark</item>
        <item name="android:textColorTertiary">@android:color/primary_text_light</item>
        <item name="android:textColorTertiaryInverse">@android:color/primary_text_dark</item>
        <item name="titleTextColor">@android:color/primary_text_dark</item>
        <item name="subtitleTextColor">@android:color/primary_text_dark</item>
        <item name="android:colorBackground">@android:color/white</item>
    </style>

    <style name="WulkanowyTheme.SplashTheme" parent="WulkanowyTheme">
        <item name="android:windowBackground">@drawable/layer_splash_background</item>
    </style>

    <style name="DialogFragmentTheme" parent="Theme.AppCompat.DayNight.Dialog.Alert">
        <item name="android:textColorTertiary">@android:color/primary_text_light</item>
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">false</item>
        <item name="android:windowActionBar">false</item>
        <item name="android:windowNoTitle">false</item>
    </style>

</resources>