JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.11.0/jquery-ui.min.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
<div class= "container" id="cont">
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>    
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>    
<div class="even">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>    
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>    
<div class="even">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
    <div id="test"></div>
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>    
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>    
<div class="even">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>    
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>
<div class="even">
</div>
<div class="odd">
</div>    
<div class="even">
</div>
</div>

CSS

.even {
    background-color: blue;
}

.odd {
    background-color: red;
}

.even, .odd {
    width: 50px;
    height: 50px;
    float: left;
}

.container {
    width: 400px;
    height: 400px;
}

#test {
    width: 130px;
    height: 130px;
    background-color: green;
    overflow: hidden;
    z-index: 50;
    border: 10px solid #ccc;
}

JavaScript

$(document).ready(function(){
    $("#test").resizable({
            grid: [50,50],
            maxWidth: 400,
            maxHeight: 400,
            handles: "all"
    });
});