anchor.diff:            textAlign: TextAlign.left,
             style: TextStyle(
               fontWeight: FontWeight.bold,
  -            fontSize: 10.0,
  +            fontSize: ScalingUtility.safeBlockHorizontal * 2.5,
               color: decideColor(Theme.of(context)),
             ),
           ),
  
positive.code:         style: TextStyle(
              letterSpacing: ScalingUtility.safeBlockVertical * 3,
              color: Colors.white,
              fontSize: 1),
        );
      } else {
        barcodeWithText = BarcodeWidget(
          barcode: Barcode.codabar(),
          data: cardNumber,
          width: ScalingUtility.safeBlockHorizontal * 50,
          height: 40,
          style: TextStyle(
              letterSpacing: ScalingUtility.safeBlockHorizontal * 1.5,
              fontSize: 1,
              color: Colors.white),
        );
      }
  
negative.code:       return Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            children: <Widget>[
              RotatedBox(
                quarterTurns: 1,
                child: Row(
                  children: <Widget>[
                    Padding(
                      padding:
                          EdgeInsets.all(ScalingUtility.safeBlockVertical * 7.5),
                    ),
                    Column(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: <Widget>[
                        Container(
                          child: barcodeWithText,
                          color: Colors.white,
                        ),
                        Text(
                          cardNumber,
                          style: TextStyle(
                              color: Colors.black,
                              letterSpacing:
                                  ScalingUtility.safeBlockHorizontal * 4),
                        )
                      ],
                    ),
                  ],
                ),
              ),
  