<div id="sankey" style="width: 500px; height: 200px;"></div>
<script>
    $("#sankey").kendoSankey({
        data: {
            nodes: [
                { 
                    id: 1, 
                    label: { 
                        text: "Custom Font",
                        font: "bold 16px Arial"
                    } 
                },
                { id: 2, label: { text: "Default Font" } }
            ],
            links: [
                { sourceId: 1, targetId: 2, value: 10 }
            ]
        }
    });
</script>