I'd like to remove shadow around my action bar overflow menu, but i haven't found any attributes allowing that. I'm extending Theme.AppCompat.
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat">
<!-- Customize your theme here. -->
<item name="actionOverflowButtonStyle">@style/OverflowButton</item>
<item name="actionOverflowMenuStyle">@style/OverflowMenu</item>
<item name="actionBarStyle">@style/MyActionBarLogo</item>
<item name="android:dropDownListViewStyle">@style/PopupMenuListView</item>
<item name="dropDownListViewStyle">@style/PopupMenuListView</item>
<item name="android:textColor">@color/black</item>
<item name="android:popupMenuStyle">@style/PopupMenu</item>
</style>
<style name="MyActionBarLogo" parent="Widget.AppCompat.ActionBar">
<item name="background">@color/white</item>
<item name="displayOptions">useLogo|showHome</item>
<item name="elevation">0dp</item>
<item name="android:windowContentOverlay">@null</item>
</style>
<style name="OverflowButton" parent="@style/Widget.AppCompat.ActionButton.Overflow">
<item name="android:src">@mipmap/menu_logo</item>
</style>
<style name="OverflowMenu" parent="@style/Widget.AppCompat.PopupMenu.Overflow">
<item name="overlapAnchor">false</item>
<item name="android:dropDownVerticalOffset">52dp</item>
<item name="android:dropDownHorizontalOffset">10dp</item>
</style>
<style name="PopupMenuListView" parent="@style/Widget.AppCompat.ListView.DropDown">
<item name="android:divider">@drawable/menu_divider</item>
<item name="android:dividerHeight">1dp</item>
<item name="android:textColor">@color/black</item>
<item name="android:background">@color/white</item>
</style>
<style name="PopupMenu" parent="@style/Widget.AppCompat.ListPopupWindow">
<item name="android:popupBackground">@color/white</item>
</style>