html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.line([

        {x: 'January', value: 2},

        {x: 'February', value: 5},

        {x: 'March', value: 3},

        {x: 'April', value: 9},

        {x: 'May', value: 4}

    ]);

​

    var background = chart.background();

    background.stroke('#0000BB');

    background.corners(20);

​

    // Set corners type.

    background.cornerType('round');

​

    chart.title('Set corners type');

    chart.container('container');

    chart.draw();

});