html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.pyramid([

        {x: "Physical", value: 125},

        {x: "Data Link", value: 125},

        {x: "Network", value: 125},

        {x: "Transport", value: 125},

        {x: "Session", value: 125},

        {x: "Presentation", value: 125},

        {x: "Application", value: 290, label: {anchor: "centerTop"}}

    ]);

    chart.labels({position: "inside"});

​

    // Set hover stroke.

    chart.hoverStroke(function () {

        return "3 " + anychart.color.darken(this.sourceColor)

    });

​

    chart.title("Set hoverStroke parameter as an function.");

    chart.container("container");

    chart.draw();

});