text: import { LitElement, html, css } from 'lit-element';
  import { ArcFitMixin } from '../index.js';
  
  class TestFit extends ArcFitMixin(LitElement) {
    static get styles() {
      return css`
      :host {
        display: block;
        background: black;
        color: white;
        padding: 8px;
      }`;
    }
  
    static get properties() {
      return {
        // DO NOT REMOVE
        myProp: { type: String, attribute: 'my-prop' }
      };
    }
  
    render() {
      return html`<slot></slot>`;
    }
  }
  window.customElements.define('test-fit', TestFit);
  