anchor.diff:        Text(
           "Nutrition Facts",
           textAlign: TextAlign.left,
  -        style: TextStyle(fontSize: 40.0, fontWeight: FontWeight.w700),
  +        style: TextStyle(
  +            fontSize: 40.0, fontWeight: FontWeight.w700, color: Colors.black),
         ),
         Text(
           "Serving Size $servingSize",
  -        style: TextStyle(fontSize: 14.0, fontWeight: FontWeight.w400),
  +        style: TextStyle(
  +            fontSize: 14.0, fontWeight: FontWeight.w400, color: Colors.black),
         ),
         Container(
           margin: EdgeInsetsDirectional.only(start: 1.0, end: 1.0),
  
positive.code:         child: Text(
            "% Daily Value*",
            textAlign: TextAlign.right,
            style: TextStyle(fontSize: 15.0, fontWeight: FontWeight.w600),
          ),
        )
      ],
  
negative.code:       Row(children: <Widget>[
          Text(
            "Calories",
            style: TextStyle(
                fontSize: 15.0, fontWeight: FontWeight.w900, color: Colors.black),
          ),
          Text(
            " $calories",
            style: TextStyle(
                fontSize: 15.0, fontWeight: FontWeight.w500, color: Colors.black),
          ),
        ]),
        Container(
  