text: import { html } from 'lit-element';
  
  export default function render() { 
  return html`
  
  <style>
    :host {
      display: block;
    }
  </style>  
  
  <iron-pages selected="${this.page}" attr-for-selected="page">
    <app-page-set-crawl page="set-crawl"></app-page-set-crawl>
    <app-page-overview page="overview" @inspect="${this._onInspect}"></app-page-overview>
    <app-page-inspect page="inspect" @back="${this._onInspectBack}"></app-page-inspect>
  </iron-pages>
  
  `;}