demo.html

<routing-root route="{{route}}"></routing-root>
<routing-route route="{{route}}" matches=":page" page="{{page}}"></routing-route>

<paper-tabs attr-for-selected="name" selected="{{page}}">
  <paper-tab name="">Home</paper-tab>
  <paper-tab name="page1">Page1</paper-tab>
  <paper-tab name="page2">Page2</paper-tab>
</paper-tabs>

<iron-pages attr-for-selected="name" selected="{{page}}">
  <div name="">Home</div>
  <div name="page1">Page1</div>
  <div name="page2">Page2</div>
</iron-pages>