anchor.diff:      return Text(
         "Student ID",
         textAlign: TextAlign.left,
  -      style: TextStyle(),
  +      style: TextStyle(
  +        fontSize: ScalingUtility.safeBlockHorizontal * 2,
  +      ),
       );
     }
   
  
positive.code:           textAlign: TextAlign.left,
            style: TextStyle(
              fontWeight: FontWeight.bold,
              fontSize: 10.0,
              color: decideColor(Theme.of(context)),
            ),
          ),
  
negative.code:         style: TextStyle(
              letterSpacing: ScalingUtility.safeBlockVertical * 3,
              color: Colors.white,
              fontSize: 0),
        );
      } else {
        barcodeWithText = BarcodeWidget(
          barcode: Barcode.codabar(),
          data: cardNumber,
          width: ScalingUtility.safeBlockHorizontal * 50,
          height: ScalingUtility.safeBlockVertical * 4.45,
          style: TextStyle(
              letterSpacing: ScalingUtility.safeBlockHorizontal * 1.5,
              fontSize: 0,
              color: Colors.white),
        );
      }
  