adding evaluation for a container flutter code example

Example: flutter container elevation

body: Container(
    margin: EdgeInsets.all(8),
    decoration: BoxDecoration(
        borderRadius: BorderRadius.circular(8.0),
        color: Colors.white,
        boxShadow: [
            BoxShadow(
                color: Colors.black,
                blurRadius: 2.0,
                spreadRadius: 0.0,
                offset: Offset(2.0, 2.0), // shadow direction: bottom right
            )
        ],
    ),
    child: Container(width: 100, height: 50) // child widget, replace with your own
),