import 'package:flutter/material.dart';

Decoration card({circular = 10.0}) =>
    BoxDecoration(
        color: Colors.white, // 底色
        borderRadius: new BorderRadius.all(Radius.circular(circular)), // 也可控件一边圆角大小
        boxShadow: [BoxShadow(offset: Offset(0.0, 0), blurRadius: 7, spreadRadius: 0, color: Color.fromRGBO(0, 0, 0, 0.07))]);

Decoration circular({circular = 10.0}) => BoxDecoration(borderRadius: BorderRadius.circular(circular), color: Colors.white);

Decoration shadowTop() =>
    BoxDecoration(
        color: Colors.white, // 底色
        boxShadow: [BoxShadow(color: Colors.black.withOpacity(0.04),
offset: Offset(0.0, -3.0), //阴影xy轴偏移量
blurRadius: 5.0, //阴影模糊程度
spreadRadius: .0//阴影扩散程度
)]);