Wysokość przycisków nie wzrasta w Android Studio

*** In layout_height is not work in Button in Android Studio.
*** You can use:	
	PaddingTop and PaddingBottom in Button that give you the button height increase.
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 <Button
        android:text="Button"
        android:paddingTop="40dp"
        android:paddingBottom="40dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
Healthy Heron