<head>
<style>
table { width: 100% ; height: 80% ; }
td { text-align: center ; vertical-align: middle ; }
img { height: 50px ; margin-bottom: 10px ; }
</style>
</head>

<body>

<table> <tr> <td>
<div> <img src="{{SPINNER-URL}}"> <br> Loading... </div>
</table>

</body>
