GMAndroid/app/src/main/res/values-v21/styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <style name="Theme.AppBaseTheme" parent="android:Theme.Material.Light">
        <item name="android:colorPrimary">@color/background_menu</item>
        <item name="android:colorPrimaryDark">@color/background_menu</item>
        <item name="android:colorAccent">@color/background_menu</item>
        <item name="android:colorBackground">@color/background_app</item>
    </style>
</resources>