anchor.diff:  +
   So the global styles are not needed anymore. Therefore we removed the [filename]#styles.css# external stylesheet and replaced it with [elementname]#iron-flex-layout# and [elementname]#paper-styles# style mixins imports and one embedded global style rule for body.
   +
  -The body style is the only global style that remains in our application. We need it to stretch the body container to occupy full height of the browser viewport, and also to specity default font styles and line height, default background and text colors.
  +The body style is the only global style that remains in our application. The body styles are needed to occupy the full height of the browser viewport, and also to specify default font styles, line height, background, and text colors.
   +
   [TIP]
   ====
  
positive.code: }
  ----
  
  This file declares all bower dependencies for our application. Now install them with this command:
  
  [subs="normal"]
  ----
  
negative.code: 
  === Npm Dependency
  
  Alongside with Bower dependencies, we also need to add one npm dependency to the project. `@vaadin/angular2-polymer` package adds support for Polymer elements in Angular 2 component templates. Run this command to install the package and save the dependency in [filename]#package.json# at the same time:
  
  [subs="normal"]
  ----
  