JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.16/themes/black-tie/jquery-ui.css">
<script src="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.16/jquery-ui.min.js"></script>
<input id="auto" />

CSS

.yellow { border: 4px solid yellow; }

JavaScript

$(document).ready(function() {
    $("#auto").autocomplete({
        source: ['stackoverflow', 'yahoo', 'google'],
        open: function () {
            $(this).data("autocomplete").menu.element.addClass("yellow");
        }
    });
});