shadowDef method
Implementation
DefineMListViewModifier shadowDef({Color? color}) {
final valueShadow = BoxShadow(
color: color ?? Color(0xff000000).withOpacity(0.1),
offset: const Offset(0, 2),
blurRadius: 4,
spreadRadius: 0,
);
return this.copyWith(valueShadow: valueShadow);
}