JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://unpkg.com/marked@0.3.6"></script>
<script src="https://unpkg.com/lodash@4.16.0"></script>
<script src="https://unpkg.com/vue@latest/dist/vue.js"></script>
<div id="editor">
  <div class="blah" @click="$event.target.classList.toggle('red')">
  Some random stuff
  </div>
</div>

CSS

html, body, #editor {
  margin: 0;
  height: 100%;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: #333;
}

.red {
  background-color: red;
}

JavaScript

new Vue({
  el: '#editor',
  data: {
  }
})