<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
  <item>
    <shape android:shape="rectangle">
      <solid android:color="#d2d2d2"/>
      <corners android:radius="4dp"/>
    </shape>
  </item>

  <item android:left="0dp"
        android:top="0dp"
        android:right="0dp"
        android:bottom="2dp">
    <shape android:shape="rectangle">
      <solid android:color="@color/card_background"/>
      <corners android:radius="4dp"/>
    </shape>
  </item>
</layer-list>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
  <item>
    <shape android:shape="rectangle">
      <solid android:color="#d2d2d2"/>
      <corners android:radius="2dp"/>
    </shape>
  </item>

  <item android:left="0dp"
        android:top="0dp"
        android:right="0dp"
        android:bottom="2dp">
    <shape android:shape="rectangle">
      <solid android:color="@color/card_background"/>
      <corners android:radius="2dp"/>
    </shape>
  </item>
</layer-list>

Make corners smaller for card
Make corners smaller for card
