docs: private void align() {
          mainForm.setLayoutMargin(5);
          mainForm.setWidth100();
          mainForm.setHeight100();
          mainForm.setBackgroundColor("#FFFFFF");
          mainForm.setAlign(Alignment.CENTER);
          mainForm.setLayoutAlign(Alignment.CENTER);
          mainForm.setDefaultLayoutAlign(Alignment.CENTER);
          
          viewPort.setWidth(LAYOUT_WIDTH);
          viewPort.setLayoutAlign(Alignment.CENTER);
          viewPort.setAlign(Alignment.CENTER);
          viewPort.setDefaultLayoutAlign(Alignment.CENTER);
      }