JSFiddle - React, Tailwind, and code Playground
HTML
<div id="original_rectangle" class="top1">original rectangle</div>
<button id="copy_rectangle">add</button>
CSS
top1
{
border: 1px black solid;
height: 100px;
width: 100px;
background-color: #CC6633;
float: left;
margin:80px;
line-height: 90px;
text-align: center;
-moz-border-radius:20px;
-webkit-border-radius: 20px;
-webkit-box-shadow: 5px 5px 10px #555;
border-radius: 20px;
}
JavaScript
var rectangles = 1;
$("#copy_rectangle").click(function(){
$("#original_rectangle").clone().removeAttr("id").html("rectangle "+ (rectangles++)).appendTo("body");
$(document).ready(function() { $("#original_rectangle").draggable(); });
});