JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.17/themes/base/jquery-ui.css">
<div class="anotherDiv"></div>
<div class="group">
        <div class="clusters-group-container popup-panel-bg">
          <div class="group-container">BLOCK</div>
        </div>
</div>

CSS

.group{
    width: 200px;
    height: 100px;
    border: 1px solid red;
    background-color: red;
}

.anotherDiv{
    width: 500px;
    height: 300px;
    border: 1px solid green;
    background-color: green;
}

JavaScript

$(function() {
    $(".group").draggable({
                containment: 'document',
                zIndex: 9999,
                helper: 'clone',
                appendTo: '.anotherDiv'
    });
});