in styles.xml
change it to this

search for this line:
<style name="TextAppearance.Widget.IconMenu.Item" parent="@style/TextAppearance.Small">

 change the line under it to this:

    <item name="textColor">@color/bright_foreground_dark</item>

 then search for this line:
    <style name="Theme.ExpandedMenu" parent="@style/Theme">
        <item name="listViewStyle">@style/Widget.ListView.Menu</item>
        <item name="windowAnimationStyle">@style/Animation.OptionsPanel</item>
        <item name="background">@null</item>

        then at this line make it look like this:(just remove inverse)
        <item name="itemTextAppearance">?textAppearanceLarge<