anychart.onDocumentReady(function () {
var stage = anychart.graphics.create('container');
chart.title('Get and use plot bounds object');
var bounds = chart.getPlotBounds();
var customBackground = anychart.standalones.background();
customBackground.fill('#BDBDBD 0.2');
customBackground.parentBounds(bounds);
customBackground.container(stage);