What is the reason style is not applied to checkBox?

Question

Android

Good day!
I am trying to style the checkBox

<style name="CustomeCheckBox">
        <item name="android:background">@drawable/custome_check_box</item>
        <item name="android:textColor">@drawable/custome_check_box</item>
        <item name="android:button">@android:color/transparent</item>
        <item name="android:drawableRight">@drawable/ic_arrow_down_blue</item>
    </style>

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@drawable/custome_checked_box" android:state_checked="true" />
    <item android:drawable="@android:color/transparent" android:state_checked="false"  />
</selector>

<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient android:startColor="@color/gray_medium" android:endColor="@color/gray_medium"  android:angle="-90.0"/>
    <corners android:radius="10.0dip" />
</shape>

But for some reason this style doesn't work on checkBox

<CheckBox
        android:id="@+id/item_shift_time_dispetcher"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="48dp"
        android:checked="true"
        android:padding="8dp"
        android:text="@string/item_esas_shift_time_dispetcher"
        android:textSize="16sp"
        android:textStyle="bold"
        android:theme="@style/CustomeCheckBox"
        app:layout_constraintStart_toEndOf="@+id/item_shift_time_brigad"
        app:layout_constraintTop_toTopOf="@+id/item_shift_time_brigad" />

Tell me, what could be the reason?