Art Nouveau wallpaper has a classic, elegant feel. The style is inspired by nature and its many symbolic forms. Most of the designs feature flowers, floral ornaments, tendrils, and other objects that evoke a sense of peace and tranquility. In the bedroom, Art Nouveau wallpaper can create a calming atmosphere while still maintaining a feeling of privacy. Choosing the right pattern depends on the mood you want to set and the layout of your room.