Colonnade the Pantheon in Rome or the stoae of Ancient Greece. When the intercolumniation is alternately wide and narrow, a colonnade may be termed araeosystyle (Gr. αραιος, "widely spaced", and συστυλος, "with columns set close together"), as in the case of the western porch of St Paul's Cathedral and the east front of the Louvre by Perrault. Colonnades have been built since ancient times and interpretations of the classical model have continued through to modern times, and Neoclassical styles remained popular for centuries. At the British Museum, for example, porticos are continued along the front as a colonnade. The porch of
Architectural style of harmony gave way to freer and more imaginative rhythms. The best known architect associated with the Mannerist style was Michelangelo (1475–1564), who is credited with inventing the giant order, a large pilaster that stretches from the bottom to the top of a façade. He used this in his design for the Campidoglio in Rome. Prior to the 20th century, the term "Mannerism" had negative connotations, but it is now used to describe the historical period in more general non-judgmental terms. Architectural style An architectural style is characterized by the features that make a building or other structure notable or