HorizontalLayout buttons = new HorizontalLayout();
        buttons.setSpacing(true);
        buttons.setMargin(true);
        container.addComponent(buttons);
        Button normal = new Button("Default");
        normal.addStyleName(Bootstrap.Buttons.DEFAULT.styleName());
        Button primary = new Button("Primary");
        primary.addStyleName(Bootstrap.Buttons.PRIMARY.styleName());
        Button success = new Button("Success");
        success.addStyleName(Bootstrap.Buttons.SUCCESS.styleName());
        Button info = new Button("Info");
        info.addStyleName(Bootstrap.Buttons.INFO.styleName());
        Button warning = new Button("Warning");
        warning.addStyleName(Bootstrap.Buttons.WARNING.styleName());
        Button danger = new Button("Danger");
        danger.addStyleName(Bootstrap.Buttons.DANGER.styleName());
        Button link = new Button("Link");
        link.addStyleName(Bootstrap.Buttons.LINK.styleName());
        buttons.addComponents(normal, primary, info, success, warning, danger,
                link);
    }