<selector
    xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <inset android:insetBottom="2dp">
            <shape android:shape="rectangle">
                <solid android:color="#fff0f0f0" />
            </shape>
        </inset>
    </item>
    <item android:state_focused="true">
        <inset android:insetBottom="2dp">
            <shape android:shape="rectangle">
                <solid android:color="#fff0f0f0" />
            </shape>
        </inset>
    </item>
    <item android:state_selected="true">
        <inset android:insetBottom="2dp">
            <shape android:shape="rectangle">
                <solid android:color="#fff0f0f0" />
            </shape>
        </inset>
    </item>
    <item android:drawable="@drawable/transparent" />
</selector>