html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.gauges.circular([{value: 7.5}]);

    chart.axis();

    chart.needle();

​

    // Set tooltip settings.

    chart.tooltip({background: '#458b74', fontWeight: 600});

​

    chart.title('Set chart tooltip parameters as an object');

    chart.container('container');

    chart.draw();

});