label2.addStyleName("pad-text");
label2.setStyleAttribute("backgroundColor", "white");
label2.setBorders(true);
Text label3 = new Text("Test Label 3");
label3.addStyleName("pad-text");
label3.setStyleAttribute("backgroundColor", "white");
label3.setBorders(true);
panel.add(label1, new RowData(1, -1, new Margins(4)));
panel.add(label2, new RowData(1, 1, new Margins(0, 4, 0, 4)));