text: /**
   * Copyright 2018 The Pennsylvania State University
   * @license Apache-2.0, see License.md for full text.
   *
   * `rich-text-editor-styles`
   * @customElement 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 as t,PolymerElement as e}from"../../../@polymer/polymer/polymer-element.js";const r=document.createElement("dom-module"),i=t`
    <style>
      :host {
        --rich-text-editor-bg: #fafafa;
        --rich-text-editor-button-color: #444;
        --rich-text-editor-border-color: #ddd;
        --rich-text-editor-border: 1px solid
          var(--rich-text-editor-border-color, #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;
      }
      .rich-text-editor-selection {
        background-color: var(--rich-text-editor-selection-bg);
        @apply --rich-text-editor-content-selection;
      }
    </style>
  `;r.appendChild(i),r.register("rich-text-editor-styles"),window.RichTextEditorStyleManager={},window.RichTextEditorStyleManager.instance=null,window.RichTextEditorStyleManager.requestAvailability=function(){return null==window.RichTextEditorStyleManager.instance&&(window.RichTextEditorStyleManager.instance=document.createElement("style"),window.RichTextEditorStyleManager.instance.setAttribute("is","custom-style"),window.RichTextEditorStyleManager.instance.setAttribute("include","rich-text-editor-styles"),document.head.append(window.RichTextEditorStyleManager.instance)),window.RichTextEditorStyleManager.instance};