button.dart

 new Container(
                width: size.width / 1.4,
                padding: EdgeInsets.only(top: 10.0, bottom: 10.0),
              

                child: RaisedButton(
                  shape: new RoundedRectangleBorder(
                      borderRadius: new BorderRadius.circular(30.0)),
                  onPressed: () {
                    
                  },
                  color: Theme.of(context).primaryColor,
                  child: new Padding(
                    padding: const EdgeInsets.all(15.0),
                    child: new Text("Make Order Now",
                        style: new TextStyle(
                            color: Colors.white,
                            fontSize: 17.0,
                            fontWeight: FontWeight.w600)),
                  ),
                ),
              ),