JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container" class="outer">
    Hello world!
</div>

CSS

*,
*:before,
*:after
{
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}

.outer {
  width: 200px;
  height: 200px;
  border: 20px solid black;
}

JavaScript

$("#container").resizable({});