library.dart

import 'package:flutter/material.dart';

boxDeco(double aA,double bB){

dynamic boxDeco = new BoxDecoration(
              border: new Border.all(
                color:Colors.black,
                width: 2.0,
                style: BorderStyle.solid,
              ),
              color: Colors.blue,
              borderRadius: BorderRadius.all(
                new Radius.circular(
                  10.0
                )
              ),
              boxShadow: [new BoxShadow(
                color: Colors.grey,
                offset: new Offset(aA, bB),
                blurRadius: 5.0,
              )],
            );
            return boxDeco;
}