JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css">
    <div id="accordion-west">
        <h3>
            <a href="#">hmmm</a>
        </h3>
        <div class="panel-hmmm">
            <div class="date-picker">
            </div>
            <div class="scrollable-content">
                <b>Accordion inside a layout-pane</b>
                <p>
                    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum condimentum
                    neque a velit laoreet dapibus. Etiam eleifend tempus pharetra.</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
                <p>
                    .</p>
            </div>
     ...

CSS

.scrollable-content { overflow: auto; height: 200px; }

JavaScript

$(document).ready(function () {
        $('.panel-hmmm .date-picker').datepicker();
        $("#accordion-west").accordion({
            fillSpace: true
        });
    });