anchor.diff:  /// The [constraints] are set to fit the font size plus ample headroom
   /// vertically, while expanding horizontally to fit the parent. The [padding] is
   /// used to make sure there is space between the contents and the text. The
  -/// `color` makes the box teal. The [alignment] causes the [child] to be
  -/// centered in the box. The [foregroundDecoration] overlays a nine-patch image
  -/// onto the text. Finally, the [transform] applies a slight rotation to the
  +/// [color] makes the box blue. The [alignment] causes the [child] to be
  +/// centered in the box. Finally, the [transform] applies a slight rotation to the
   /// entire contraption to complete the effect.
   ///
   /// ```dart
  
positive.code: /// Center(
  ///   child: Container(
  ///     margin: const EdgeInsets.all(10.0),
  ///     color: const Color(0xFF00FF00),
  ///     width: 48.0,
  ///     height: 48.0,
  ///   ),
  
negative.code: ///
  /// {@tool sample}
  ///
  /// This example shows a 48x48 amber square (placed inside a [Center] widget in
  /// case the parent widget has its own opinions regarding the size that the
  /// [Container] should take), with a margin so that it stays away from
  /// neighboring widgets:
  