How to make this container in flutter?

enter image description here

I wan to make this container and I have try it making in container by dividing it in 2 row. After that I divide first row in 3 row again but It was not same design made. So, please help me to make this.

>Solution :

Try this

Column(
            children: [
              Container(
                margin: EdgeInsets.fromLTRB(12, 12, 12, 12),
                padding: EdgeInsets.fromLTRB(12, 12, 12, 12),
                decoration: BoxDecoration(
                    color: Colors.grey,
                    borderRadius: BorderRadius.all(
                      Radius.circular(20),
                    )),
                child: Column(
                  children: [
                    Row(
                      children: [
                        CircleAvatar(
                          backgroundImage: NetworkImage(
                              'https://picsum.photos/id/237/200/300'),
                        ),
                        SizedBox(
                          width: 20,
                        ),
                        Expanded(
                          child: Text(
                            "SIGN UP",
                            style: TextStyle(
                                color: Colors.white,
                                fontWeight: FontWeight.bold),
                          ),
                        ),
                        Container(
                          padding: EdgeInsets.fromLTRB(24, 12, 24, 12),
                          decoration: BoxDecoration(
                              color: Colors.grey,
                              border: Border.all(
                                color: Colors.white,
                              ),
                              borderRadius: BorderRadius.all(
                                Radius.circular(16),
                              )),
                          child: Text("Step 1"),
                        ),
                      ],
                    ),
                    SizedBox(
                      height: 8,
                    ),
                    Container(
                      child: Text(
                          "To register, fill out the form in the sign-up section above. In order to activate your account, we will send you and activation email that you must confirm"),
                    ),
                  ],
                ),
              )
            ],
          ),