@phoenix-plugin-registry/swmitra.html-designer/controlhtml/multiselect-draw-rect.html

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

<style>
.preMultiSelectionArea{
    pointer-events: none;
    border:1px dotted blue;
    position:absolute;
    display:none;
	margin-top: -24px;
	margin-left: -24px;
}
</style>
<div class="preMultiSelectionArea"></div>