<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:bottom="48dp"
        android:left="48dp"
        android:right="48dp"
        android:top="48dp">

        <shape android:shape="rectangle">
            <solid android:color="@color/snackbar_background" />
            <corners android:radius="8dp" />
        </shape>
    </item>
</layer-list>