Who are the cardinals wearing black dresses?

The 115 Roman Catholic cardinals filed into the Vatican Monday morning, readying themselves to judge the papabili — possible pontiffs — at the conclave opening tomorrow. read more

I see where Cardinals and Monsignors wear the black tunic and a surplice on lots of occasions, but I can't figure out why some have magenta (pink) lining, buttons and sashes (belts) while others have orange lining, buttons and sashes (belts). read more

Cardinal Pell wearing the ordinary dress of a cardinal: black cassock with scarlet (red) piping and buttons, scarlet fascia (sash), pectoral cross on a chain, and a scarlet zucchetto. Cardinal Bertone in dress for hot tropical countries (white cassock with scarlet piping and buttons). read more