JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdn.ckeditor.com/4.5.11/standard/ckeditor.js"></script>
<textarea id="text1"><p>Test</p></textarea>

JavaScript

editor1 = CKEDITOR.replace( 'text1', {
   language: 'en',
   plugins: 'clipboard,wysiwygarea,sourcearea,undo,toolbar,stylescombo',
   stylesSet: [
     { name: 'Marker', element: 'span', attributes: { 'class': 'b-test a-test' } }
   ]
} );