JSFiddle - React, Tailwind, and code Playground

by rough cheap

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/rellax/1.12.1/rellax.min.js"></script>
<div id="Top">
<div class="box">
<p>
Text
</p>
</div>
<div class="box">
<p>
Text
</p>
</div>
<div class="box rellax not">
<p>
Text
</p>
</div>
<div class="box">
<p>
Text
</p>
</div>
</div>

CSS

.box {
  box-sizing: border-box;
  margin-bottom: 10rem;
  width: 80px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
}

#Top .box.not {
  background-color: red;
  color: yellow;
}

#Top .box {
  background-color: blue;
  color: white;
}

JavaScript

var rellax = new Rellax('.rellax');