The most important cascading order rules are:► A specified CSS definition wins over a default CSS definition in the browser.► A CSS definition with a contextual selector wins over a CSS definition with a tag selector.► A CSS definition with a class selector wins over a CSS definition with a contextual selector.► A CSS definition with an id selector wins over a CSS definition with a class selector.► A CSS definition included in the HTML tag instance wins over other CSS definitions.► A later CSS definition wins over an earlier CSS definition.Note that cascading order rules are applied in the order as listed above.