There are even more height and light than there are in the churches built during the earlier phases of the Gothic style. There is extremely intricate stained glass decoration. Its many colors help achieve an ethereal ambiance. The masonry vaults are formed by the intersection of two half-cylinders that allow arches to appear on all four sides. In Sainte Chapelle the stilted transverse ribs are reinforced by internal buttresses.
Rayonnant builders are interested in refining the details .
The decorations and especially the stained glass are characterized by shapes divided into smaller and smaller shapes.