anchor.diff:  }
   ----
   
  -Now, you can install all the polymer elements that you need in your application.
  +Now, you can install all the Polymer elements that you need in your application.
   
   For instance, to install all the elements in the https://elements.polymer-project.org/browse?package=paper-elements[Polymer Paper] collection, and the [elementname]#https://vaadin.com/elements/-/element/vaadin-combo-box[vaadin-combo-box]# element, run the following:
   
   [subs="normal"]
   ----
  -[prompt]#$# [command]#npm# install bower -g
   [prompt]#$# [command]#bower# install --save [replaceable]#paper-elements vaadin-combo-box#
   ----
   
  
positive.code: ----
  
  Finally, you can use Polymer custom CSS properties and custom CSS mixins either: in the [filename]#my-project.component.ts# file for the scoped styles, or in the [filename]#index.html# file for the global ones.
  
  [source,html]
  .src/index.html
  
negative.code:   ...
    <style is="custom-style">
      body {
        @apply(--paper-font-body1);
      }
    </style>
  