anchor.diff:  
     final Stock stock;
   
  -  static const double kHeight = 70.0;
  +  static const double kHeight = 79.0;
   
     UINode build() {
       String lastSale = "\$${stock.lastSale.toStringAsFixed(2)}";
  
positive.code: // Copyright 2015 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  import 'dart:sky' as sky;
  
  import 'package:sky/rendering/box.dart';
  import 'package:sky/theme2/typography.dart' as typography;
  
negative.code:         height: kHeight,
          decoration: const BoxDecoration(
              border: const Border(
                  bottom: const BorderSide(color: const Color(0xFFF4F4F4)))),
          child: new Flex(children)
        )
      );
  