Container(
  width: 70,
  height: 70,
  decoration: BoxDecoration(
      borderRadius: BorderRadius.all(Radius.circular(50)),
      gradient: LinearGradient(colors: [
        Color(0xff589429),
        Color(0xff6FB12F),
        Color(0xff8BD132),
        Color(0xffA8EF32),
        Color(0xffB7FF32),
      ])),
  child: Container(),
);