html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.sparkline([1, 4, -7, 1, -3, 6, -8, 3]);

    chart.seriesType('column');

​

    // Set fill color with opacity for negative points.

    chart.negativeFill('#4CAF50', 0.4);

​

    chart.title({text: 'Set fill with opacity for negative points', orientation: 'top'});

    chart.container('container');

    chart.draw();

});