What is the architectural style of the Taj Mahal?

Mughal architecture is an architectural style developed by the Mughals in the 16th, 17th and 18th centuries throughout the ever-changing extent of their empire in Medieval India. It was an amalgam of Islamic, Persian, Turkic and Indian architecture. Mughal buildings have a uniform pattern of structure and character, including large bulbous domes, slender minarets at the corners, massive halls, large vaulted gateways and delicate ornamentation. Examples of the style can be found in India, Afghanistan, Bangladesh and Pakistan.

The exterior decorations of the Taj Mahal are among the finest in Mughal architecture. As the surface area changes, the decorations are refined proportionally. The decorative elements were created by applying paint, stucco, stone inlays or carvings. In line with the Islamic prohibition against the use of anthropomorphic forms, the decorative elements can be grouped into either calligraphy, abstract forms or vegetative motifs. Throughout the complex are passages from the Qur'an that comprise some of the decorative elements. Recent scholarship suggests that the passages were chosen by Amanat Khan.

The calligraphy on the Great Gate reads "O Soul, thou art at rest. Return to the Lord at peace with Him, and He at peace with you." The calligraphy was created in 1609 by a calligrapher named Abdul Haq. Shah Jahan conferred the title of "Amanat Khan" upon him as a reward for his "dazzling virtuosity".