Spherical/app/src/main/res/values/styles.xml

<resources>

    <!-- Application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.NoActionBar">
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

    <!-- ACTION BAR STYLES -->
    <style name="AppTheme.ActionBar" parent="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
        <item name="android:background">@android:color/transparent</item>
        <item name="android:windowActionBarOverlay">true</item>
        <item name="android:clipToPadding">false</item>

        <!-- Support library compatibility -->
        <item name="background">@android:color/transparent</item>
        <item name="windowActionBarOverlay">true</item>
    </style>


</resources>