@phoenix-plugin-registry/swmitra.html-designer/controlhtml/hover-pane.html

NOW WITH RESPONSIVE DESIGN TOOLS (BETA)! Design and customize web ui with HTML and CSS. Now with taggable Design snippet/bookmark support.

<style>
.outlinemouseover 
{ 
    position:absolute;
    outline:blue 1px solid;
    pointer-events: none;
	margin-top: -24px;
	margin-left: -24px;
    background-color:rgba(0,0,50,0.1);
}
</style>
<div id='hover-outline' class="outlinemouseover" style="display:none"></div>