Here is an example of using the Expansion Panel in a plain html page:
<html>
<head>
<link href="https://developer.temenos.com/uux/base.css" rel="stylesheet" />
<script src="https://developer.temenos.com/uux/unified-ux-web.min.js"></script>
</head>
<body>
<uwc-expansion-panel
heading="First Expansion Panel Title"
badgeContent="5"
description="Panel Description"
>
<uwc-text variant="body">
I'm visible because I am open. This product is meant for educational purposes only. Any
resemblance to real persons, is purely coincidental. Void where prohibited. Some assembly
required. List each check separately by bank number. Batteries not included.
</uwc-text>
<uwc-button label="Updated 3hrs ago" outlined></uwc-button>
</uwc-expansion-panel>
</body>
</html>