html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.cartesian();

    var series = chart.rangeArea([

        [0, 2, 3],

        [1, 3, 6],

        [2, 2, 4]

    ]);

    series.hoverLowStroke(function () {

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

    }); // sets stroke on hover

    chart.container("container");

    chart.draw();

});