JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.1.322/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.1.322/styles/kendo.default.min.css">
<script src="http://cdn.kendostatic.com/2012.1.515/js/kendo.all.min.js"></script>
<div id="splitter">
    <div id="RightSide">
       <ul id="treeView">
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Really long item that may stop...or it may not stop</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
           <li>Item</li>
        </ul>
    </div>
    <div id="LeftSide">
        They call me text!
    </div>            
</div>

CSS

#treeView {
    min-height: 0%;
}

JavaScript

$('#treeView').kendoTreeView();
$('#splitter').kendoSplitter();