RomanExample

                  FlatButton(
                    onPressed: onSignUp,
                    child: Text('SIGN UP'),
                    color: AppColors.grey,
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.only(
                        topLeft: Radius.zero,
                        bottomLeft: Radius.zero,
                        topRight: Radius.circular(4),
                        bottomRight: Radius.circular(4),
                      ),
                    ),
                  )