In the mid-1890s, with the appearance of the Art Nouveau style in Brussels and Paris, Denis began to pay greater attention to the decorative arts, though his themes of family and spirituality remained the same. Many of his new projects were commissioned by Samuel Bing, the art dealer whose gallery gave its name to "Art Nouveau". His new projects included designs wallpapers, stained glass, tapestries, lamp shades, screens, and fans. But while he worked within the time period and used the materials of the Art Nouveau, his