<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
<corners android:radius="@dimen/design_snackbar_background_corner_radius" />
<solid android:color="@color/design_snackbar_background_color" />
</shape>
Add to lootbox
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
<corners android:radius="@dimen/design_snackbar_background_corner_radius" />
<solid android:color="@color/design_snackbar_background_color" />
</shape>