html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.sparkline([50, -15, 10, 60, 20, 70, -30]);

    chart.seriesType('column');

​

    // Get markers for negative points.

    var negativeMarkers = chart.negativeMarkers();

    negativeMarkers.enabled(true);

    negativeMarkers.size(5);

    negativeMarkers.fill('#4CAF50');

​

    chart.title({text: 'Get and modify markers for negative points', orientation: 'top'});

    chart.container('container');

    chart.draw();

});