public NodeData getElementStyle(Element el, PseudoElementType pseudo, String media)
    {
        return getElementStyle(el, pseudo, new MediaSpec(media));
    }
public NodeData getElementStyle ( Element el , PseudoElementType pseudo , String media ) { return getElementStyle ( el , pseudo , new MediaSpec ( media ) ) ; }
Computes the style of an element with an eventual pseudo element for the given media.
@param el The DOM element.
@param pseudo A pseudo element that should be used for style computation or <code>null</code> if no pseudo element should be used (e.g. :after).
@param media Used media name (e.g. "screen" or "all")
@return The relevant declarations from the registered style sheets.