jQuery Splitter
Set the width property of the jqxSplitter. Author: http://jqwidgets.com
by jqwidgets
HTML
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.base.css">
<script src="https://jqwidgets.com/public/jqwidgets/jqx-all.js"></script>
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.energyblue.css">
<div id='jqxSplitter'>
<div style="background-color: #97FFAF"></div>
<div style="background-color: #E8C0AF"></div>
</div>
JavaScript
$("#jqxSplitter").jqxSplitter({
width: '300px',
height: '300px'
});