Architectural design. The design of buildings and accessory structures within the PRC shall be coordinated to complement one another and to reflect a common architectural theme that is visually compatible with the surrounding area. The design theme shall address at minimum, building facades, rooflines, construction materials and colors, finish details, entryways, and all accessory site elements such as light fixtures, street furniture, signs, and fencing. Buildings shall be residential in appearance, designed to achieve a human scale through the use and placement of such elements as windows, doors, columns, and canopies. All buildings shall have pitched roofs as an integral component of their design.