demos.add(new DatepickerSamples(demo));
demos.add(new DialogSamples(demo));
demos.add(new ProgressbarSamples(demo));
demos.add(new SliderSamples(demo));
demos.add(new TabsSamples(demo));
demos.add(new PositionSamples(demo));
LayoutPanel layout = RootLayoutPanel.get();
layout.add(app);
layout.setWidgetLeftRight(app, 15, Unit.PCT, 15, Unit.PCT);
layout.setWidgetTopBottom(app, 1, Unit.EM, 1, Unit.EM);