layout_.addWest(createDiv(themeStyles.left()), leftPadding);
layout_.addEast(createDiv(themeStyles.right()), 8);
HorizontalPanel inner = new HorizontalPanel();
inner.setWidth("100%");
inner.setStylePrimaryName(themeStyles.center());
if (title != null)
{
Label titleLabel = new Label(title);
titleLabel.setStylePrimaryName(themeStyles.title());