normalizers = new PropertiesNormalizer[]{
new BackgroundNormalizer(supportedProperties),
new BorderNormalizer(supportedProperties),
new TextAlignNormalizer(supportedProperties),
new MarqueeNormalizer(supportedProperties),
};
optimizers = new ShorthandOptimizer[]{
new HeterogeneousShorthandOptimizer(StyleShorthands.BACKGROUND,
propertyClearerChecker, supportedShorthands),