<div id="diagram"></div>
<script>
$("#diagram").kendoDiagram({
    shapes: [{
        id: "1",
        content: { text: "Thick Connector Borders" },
        x: 100,
        y: 20,
        connectors: [{
            name: "auto",
            stroke: {
                width: 4,
                color: "#9900cc"
            }
        }]
    }]
});
</script>