JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://i2ui.com/Scripts/Downloads/i2ui-1.0.0.js"></script>
<div data-i2="fontSize:[10,30]">
    <span data-i2="rate:1">A</span>
    <span data-i2="rate:4">B</span>
    <span data-i2="rate:7">C</span>
    <span data-i2="rate:12">G</span>
    <span data-i2="rate:5">H</span>
</div>

JavaScript

i2.emph();