license import { LitElement , html } from 'lit-element' ; import { sharedStyles } from './shared-styles.js' ; export class HnInvalidPageElement extends LitElement { static get styles ( ) { return [ sharedStyles ] ; } render ( ) { return html `
    <h1>Page not found</h1>` ; } } customElements . define ( 'hn-invalid-page' , HnInvalidPageElement ) ;