JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="preview">Preview</div>
  <div class="back">Back</div>
</div>

CSS

.container {
  width: 500px;
  height: 300px;
  position: relative;
}

.preview, .back {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  top: 0;
  position: absolute;
}

.preview {
  background-color: red;
}

.back {
  background-color: blue;
  display: none;
}

.preview:hover {
  display: none;
}

.back:hover,
.preview:hover + .back {
  display: flex;
}