anchor.diff:  [source,html]
   .src/index.html
   ----
  -<style is="custom-style">
  -  body {
  -    @apply(--layout-fullbleed);
  -    @apply(--paper-font-body1);
  -  }
  -</style>
  +<head>
  +  ...
  +  <style is="custom-style">
  +    body {
  +      @apply(--layout-fullbleed);
  +      @apply(--paper-font-body1);
  +    }
  +  </style>
  +</head>
   ----
   
   [source,css]
  
positive.code: [prompt]#$# [command]#ng# new [replaceable]#my-project#
  ----
  
  Check that everything works, compiling, testing and running your project running the following commands:
  
  [subs="normal"]
  ----
  
negative.code: }
  ----
  
  [[vaadin-angular2-polymer.ng2cli.testing]]
  == Testing Polymer Elements
  
  Angular-CLI projects come with https://karma-runner.github.io[Karma] tests.
  
  Karma needs to be configured appropriately to import all needed Polymer elements, before running any test.
  
  This is done in the [propertyname]#files# section of the [filename]#config/karma.conf.js# file as follows:
  
  