When the new upper class movement, Renaissance, occurred in Italy around the 14th century, a revival of the classical forms originally developed by the ancient Greeks and Romans, an intensified concern with secular life, and interest in humanism and assertion of the importance of the individual began. Thus, artists such as Mosaccio and Giotto depicted art that unlike the Middle Ages, showed emotions, feelings, and bright colors, thus demonstrating the deep concern for naturalism in the society. Other artists during the Italian Renaissance period such as Giovanni Bellini began to express their art through secular and religious themes and ideas that were exhibited through landscapes and portraits. As new styles of linear and aerial perspective and pyramid structures came into use by Francesca and Alberti, paintings were able to carry better-recognized religious ideas because the paintings became more transparent and more vivid in detail. …