Yuito-app-android/app/src/main/res/values-v27/styles.xml

<resources>

    <style name="SplashTheme" parent="Theme.AppCompat.NoActionBar">
        <item name="android:windowBackground">@drawable/background_splash</item>
        <item name="colorPrimaryDark">@color/color_primary_dark_dark</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowLightNavigationBar">false</item>
        <item name="android:navigationBarColor">@color/window_background_dark</item>
        <item name="android:navigationBarDividerColor">@color/status_divider_dark</item>
    </style>

    <!--Light Application Theme Styles-->
    <style name="TuskyTheme" parent="TuskyBaseTheme">
        <item name="android:windowLightNavigationBar">true</item>
        <item name="android:navigationBarColor">@color/color_background_light</item>
        <item name="android:navigationBarDividerColor">@color/status_divider_light</item>
    </style>

    <!--Black Application Theme Styles-->
    <style name="TuskyBlackTheme" parent="TuskyBlackThemeBase">
        <item name="android:windowLightNavigationBar">false</item>
        <item name="android:navigationBarColor">@color/color_primary_dark_black</item>
        <item name="android:navigationBarDividerColor">@color/color_primary_dark_black</item>
    </style>

</resources>