Widget-icon options

Apps & Services HABPanel
1

Hi,

Creating my own widget but can’t find an attribute list to the

Here’s where I am so far, simple but effective…I want to change the widget background colour

<widget-icon iconset="'freepik-gadgets'" icon="'tv-remote-control'"
             backdrop="true" center="true"></widget-icon>
<div>
	<h4>Controls</h4>
</div>

Any ideas please?