40
40

margin = randomMargin();

41
41

42

+
              void change() {

43

+
                setState(() {

44

+
                  color = randomColor();

45

+
                  borderRadius = randomBorderRadius();

46

+
                  margin = randomMargin();

47

+
                });

48

+
              }

49

42
50

@override

43
51

Widget build(BuildContext context) {

44
52

return Scaffold(