text: /**
   * Copyright 2018 The Pennsylvania State University
   * @license Apache-2.0, see License.md for full text.
   *
   * `rich-text-editor-styles`
   * `a shared set of styles for rich-text-editor`
   *
   * @microcopy - language worth noting:
   *  -
   *
   * @pseudoElement
   * @polymer
   * @demo demo/index.html
   */
  import { html, PolymerElement } from "@polymer/polymer/polymer-element.js";
  const styleElement = document.createElement("dom-module");
  
  const css = html`
    <style>
      :host {
        --rich-text-editor-bg: #fafafa;
        --rich-text-editor-button-color: #444;
        --rich-text-editor-border: 1px solid #ddd;
        --rich-text-editor-button-border: transparent;
        --rich-text-editor-button-disabled-color: #666;
        --rich-text-editor-button-disabled-bg: transparent;
        --rich-text-editor-button-toggled-color: #222;
        --rich-text-editor-button-toggled-bg: #ddd;
        --rich-text-editor-button-hover-color: #000;
        --rich-text-editor-button-hover-bg: #f0f0f0;
        --rich-text-editor-picker-border: #fafafa;
        --rich-text-editor-selection-bg: #b3d9ff;
      }
      span {
        background-color: pink;
      }
      .rich-text-editor-selection {
        background-color: var(--rich-text-editor-selection-bg);
        @apply --rich-text-editor-content-selection;
      }
    </style>
  `;
  styleElement.appendChild(css);
  
  styleElement.register("rich-text-editor-styles");
  