JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdn.ckeditor.com/4.7.3/standard/ckeditor.js"></script>
<textarea name="editor1"></textarea>
<script>
  CKEDITOR.replace('editor1');
</script>

CSS

span.cke_top,
span.cke_bottom {
  visibility: hidden;
  height: 0px !important;
}

div.cke:hover span.cke_top,
div.cke:hover span.cke_bottom {
  visibility: visible;
  height: auto !important;
}