 The reconquest brought Moorish and Moorish influenced Christian craftsmen under Christian rule who then influenced architecture in the expanding Christian kingdoms.It is not a style of architecture; "Mudéjar style" refers to the application of Moorish decorations or materials to whatever Christian architecture existed at the time, producing Mudéjar-Romanesque, Mudéjar-Gothic and Mudéjar-Renaissance.Mudéjar is characterised by the use of brick as the main building material.