 path of the gif animation file if
you would like to upload your own loader.</p></dd>


<dt><code>id</code></dt>
<dd><p>string, the unqiue ID for the loader, if not provided, a random
ID will be given. If you are using shiny modules, DO NOT use <code>session$ns('YOUR_ID')</code>
to wrap it. Loaders live on the top level of the document.</p></dd>


<dt><code>height</code></dt>
<dd><p>string, (r)em, "1.5rem", "1.5em", or pixel, like "10px".
Default is <code>NULL</code>, will be automatically calculated based 