DecoratedBox( position: DecorationPosition.background, decoration: BoxDecoration( color: const Color(0xFFFFFFFF), border: Border.all( color: const Color(0xFF000000), style: BorderStyle.solid, width: 4.0, ), borderRadius: BorderRadius.zero, shape: BoxShape.rectangle, boxShadow: const <BoxShadow>[ BoxShadow( color: Color(0x66000000), blurRadius: 10.0, spreadRadius: 4.0, ) ], ), child: Container( child: Container( width: 200, height: 200, padding: EdgeInsets.all(20), child: FlutterLogo(), ), ), )