public DialogTabLayoutPanel()
{
super(14, Unit.PX);
ThemeStyles styles = ThemeResources.INSTANCE.themeStyles();
addStyleName(styles.dialogTabPanel());
// we need to center the tabs and overlay them on the top edge of the
// content; to do this, it is necessary to nuke a couple of the inline
// styles used by the default GWT tab panel.
Element tabOuter = (Element) getElement().getChild(1);