text: import { LitElement, html, css } from 'lit-element';
  import 'feature-a/feature-a.js';
  import 'feature-b/feature-b.js';
  
  export class PageB extends LitElement {
    static get styles() {
      return css`
        :host {
          display: block;
          padding: 10px;
          border: 2px solid #ccc;
        }
      `;
    }
  
    render() {
      return html`
        <h3>I am page B</h3>
        <feature-a></feature-a>
        <feature-b></feature-b>
      `;
    }
  }
  