 The "most tenacious of all the Carolingian styles", it continued until as late as the 11th century.The true legacy of insular art lies not so much in the specific stylistic features discussed above, but in its fundamental departure from the classical approach to decoration, whether of books or other works of art.The barely controllable energy of Insular decoration, spiralling across formal partitions, becomes a feature of later medieval art, especially Gothic art, in areas where specific Insular motifs are hardly used, such as architecture.