display.setWidth("270px");
display.setHeight("270px");
// Add the foreground and background colorpickers to a layout
HorizontalLayout mainLayout = new HorizontalLayout();
mainLayout.addStyleName("colorpicker-mainlayout");
mainLayout.setWidth("100%");
mainLayout.setHeight(null);
mainLayout.setMargin(true);
mainLayout.setSpacing(true);
getLayout().addComponent(mainLayout);