JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://i2ui.com/Scripts/Downloads/i2ui-1.0.0.js"></script>
<div data-i2="color:['#404040','#00FF21']">
    <span data-i2="rate:1">A</span>
    <span data-i2="rate:2">B</span>
    <span data-i2="rate:3">C</span>
    <span data-i2="rate:4">D</span>
    <span data-i2="rate:5">E</span>
</div>

JavaScript

i2.emph();