html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.sankey();

    chart.data([

        ['Bike', 'Clothing', 5],

        ['Bike', null, 1],

        ['Bike', 'Accessories', 1],

        ['Outdoor', 'Clothing', 4],

        ['Outdoor', 'Electronics', 3],

        ['Outdoor', 'Equipment', 5]

    ]);

​

    var dropoff = chart.dropoff();

​

    // Get tooltip.

    var tooltip = dropoff.tooltip();

​

    tooltip.background('#663399');

​

    chart.title('Get and modify tooltip of the dropoff element');

    chart.container('container');

    chart.draw();

});