JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://code.jquery.com/ui/jquery-ui-git.css">
<script src="http://code.jquery.com/ui/jquery-ui-git.js"></script>
<div id="container">
    <div id="draggable"></div>
</div>

CSS

#container {
    width:500px;
    height:500px;
    outline:1px solid blue;
    position:relative;
    overflow:hidden;
}

#draggable {
    width: 100px;
    height: 100px;
    outline: 1px solid black;
    position:absolute;
    top:10px; left:10px;
}

JavaScript

$( "#draggable" ).draggable({
    grid: [ 20, 20 ]
});