import 'package:flutter/material.dart'; class Dot extends StatelessWidget { final Color color; final double size; const Dot({Key? key, this.color = Colors.grey, this.size = 16.0}) : super(key: key); @override Widget build(BuildContext context) { return Container( decoration: BoxDecoration( color: color, shape: BoxShape.circle, ), width: size, height: size, ); } }