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.type("column");

​

    // Set image fill for negative points.

    chart.negativeFill({

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

        mode: anychart.graphics.vector.ImageFillMode.STRETCH,

        opacity: 0.4

    });

​

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

    chart.height("50%");

    chart.container("container");

    chart.draw();

});