sheet" href="../../css/jsplumbtoolkit.css">
        <link rel="stylesheet" href="../../css/jsplumbtoolkit-demo.css">
        <link rel="stylesheet" href="demo.css">

    </head>

    <body data-demo-id="groups">

        <div class="jtk-demo-main">
            <!-- demo -->
            <div class="jtk-demo-canvas canvas-wide flowchart-demo jtk-surface jtk-surface-nopan" id="canvas">

                <div class="group-container" id="container1" group="one">
                    <div class="title"></div>
     