The building maintains the original 1920s features such as brass doors, high ceilings, and skylights. Garrets were often internal elements of the mansard roof, with skylights or dormer windows. The hall rises two stories to a ceiling punctuated by three large, domed skylights. Franke began with the production of oven tops, skylights and dormer windows. The dance floor was framed by private alcoves, decorative curtains, a domed skylights and chandeliers. Acrylic is the most common plastic glazing used for dome skylights. It is in the Classical style and has a wide arched roof with skylights. Today glass blocks are used in walls, skylights, and sidewalk lights. Plastic glazing infill is commonly used in many skylights and TDDs. Reflections made by factory skylights were created by placing lights under angled wooden panels. To this end, Pei designed a large lobby roofed with enormous skylights. Crow-stepped gables and the upturned boat skylights of the Garden Lobby, complete the unique architecture. It also features skylights affording views of the actual dome. The mall was decorated with fountains and plant life that flourished under enormous skylights. The top floor features a series of galleries lit by skylights.