gistfile1.txt

var win = new Window({
    backgroundColor: '#fff'
});

var box = new View({
    width:40,
    height:40,
    backgroundColor: '#000'
});

var box2 = new View({
    width:60,
    height:60,
    backgroundColor: '#999'
});
win.add(box2);

win.add(box);

win.open();