<resources>

    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
        <item name="android:windowLightStatusBar">true</item>
        <item name="android:windowTranslucentNavigation">true</item>
    </style>

    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Light"/>

    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>

    <!-- Post -->

    <style name="PostTitleTextAppearance" parent="TextAppearance.AppCompat.Subhead"/>

    <style name="PostSubtitleTextAppearance" parent="TextAppearance.AppCompat.Caption"/>

    <style name="PostFlairTextAppearance" parent="TextAppearance.AppCompat.Caption"/>

    <!-- /Post -->

</resources>

<resources>

    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
        <item name="android:windowLightStatusBar">true</item>
        <item name="android:windowTranslucentNavigation">true</item>
    </style>

    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.ActionBar"/>

    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>

    <!-- Post -->

    <style name="PostTitleTextAppearance" parent="TextAppearance.AppCompat.Subhead"/>

    <style name="PostSubtitleTextAppearance" parent="TextAppearance.AppCompat.Caption"/>

    <style name="PostFlairTextAppearance" parent="TextAppearance.AppCompat.Caption"/>

    <!-- /Post -->

</resources>

Use ActionBar theme for AppBarOverlay
Use ActionBar theme for AppBarOverlay
