rel="stylesheet" href="node_modules/@jsplumb/browser-ui/css/jsplumbtoolkit.css">
        <link rel="stylesheet" href="../demo.css">
    </head>
    <body>
        <!-- content -->
        <div class="jtk-demo-main">
            <div class="jtk-demo-canvas canvas-wide source-target-demo jtk-surface jtk-surface-nopan" id="canvas">
                <div class="window sourceWindow" id="sourceWindow1" data-jtk-not-draggable>
                    <strong>Window 1</strong>
                    <a href="#" class="enab