anchor.diff:  
   https://github.com/angular/angular-cli[Angular-CLI] is a command line tool for Angular 2. It is not only an scaffolding tool for creating and modifying a project, but also for other actions like building, running, debugging, and testing the project.
   
  -In this document we will describe all the modifications you have to make to your Angular-CLI project to use polymer elements.
  +In this document we will describe all the modifications you have to make to your Angular-CLI project to use Polymer elements.
   
   
   [[vaadin-angular2-polymer.ng2cli.preparation]]
  
positive.code: [source,html]
  .src/index.html
  ----
  <style is="custom-style">
    body {
      @apply(--layout-fullbleed);
      @apply(--paper-font-body1);
    }
  </style>
  ----
  
  [source,css]
  
negative.code:   directives: [
      PolymerElement('paper-toolbar'),
      PolymerElement('vaadin-combo-box'),
      PolymerElement('paper-input')
    ]
  })
  export class MyProjectAppComponent {
  