html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.sparkline([2, 10, -7, 2, -9, 6, -15, 3]);

    chart.seriesType('column');

​

    // Set image fill for negative points.

    chart.negativeFill({

        src: 'https://static.anychart.com/images/underwater.jpg',

        mode: 'stretch',

        opacity: 0.4

    });

​

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

    chart.height('50%');

    chart.container('container');

    chart.draw();

});