how to create a shadow for the button in flutter code example

Example: Shadow box around a button Flutter

Container(
            height: 60,
            decoration: BoxDecoration(
              gradient: LinearGradient(
                colors: [
                  Color.fromRGBO(255, 143, 158, 1),
                  Color.fromRGBO(255, 188, 143, 1),
                ],
                begin: Alignment.centerLeft,
                end: Alignment.centerRight,
              ),
              borderRadius: const BorderRadius.all(
                Radius.circular(25.0),
              ),
              boxShadow: [
                BoxShadow(
                  color: Colors.pink.withOpacity(0.2),
                  spreadRadius: 4,
                  blurRadius: 10,
                  offset: Offset(0, 3),
                )
              ]
            ),
            child: Center(
              child: GestureDetector(
                onTap: () {},
                child: Text(
                  'Create Account',
                  textAlign: TextAlign.left,
                  style: TextStyle(
                    fontFamily: "Netflix",
                    fontWeight: FontWeight.w600,
                    fontSize: 18,
                    letterSpacing: 0.0,
                    color: Colors.white,
                  ),
                ),
              ),
            ),
          ),