form.dart

Material(
            elevation: 15,
            shadowColor: Colors.black54,
            child: Column(
              children: <Widget>[
                Container(
                  decoration: BoxDecoration(color: Colors.white),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.start,
                    mainAxisSize: MainAxisSize.max,
                    children: <Widget>[
                      Container(
                        decoration: BoxDecoration(
                          border: Border(
                            right: BorderSide(
                              color: Color(0xFFDBDCDD),
                            ),
                          ),
                        ),
                        child: Padding(
                          padding: EdgeInsets.only(
                            left: 10,
                            top: 0,
                            right: 10,
                            bottom: 0,
                          ),
                          child: new Icon(Icons.lock, color: Color(0xff60646A)),
                        ),
                        height: 25,
                      ),
                      Expanded(
                        child: TextFormField(
                          style: new TextStyle(color: Color(0xFF61656C)),
                          decoration: InputDecoration(
                            hintText: 'Sua senha',
                            fillColor: Colors.white,
                            filled: true,
                            contentPadding:
                                EdgeInsets.fromLTRB(10.0, 15.0, 20.0, 10.0),
                            border: InputBorder.none,
                            focusedBorder: InputBorder.none,
                            enabledBorder: InputBorder.none,
                            errorBorder: InputBorder.none,
                            disabledBorder: InputBorder.none,
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ],
            ),
          ),