private ElementStyleDefinition createStyleDefinition(final String targetName)
{
CSSSelectorFactory factory = new CSSSelectorFactory();
ElementStyleRule rule = new ElementStyleRule();
rule.addSelector((CSSSelector) factory.createElementSelector(null, "label"));
rule.setStyleProperty(TextStyleKeys.FONT, targetName);
ElementStyleDefinition def = new ElementStyleDefinition();
def.addRule(rule);
return def;
}