 Their political weakness was accompanied by a cultural retreat, and together with a quick advance of the Christian kingdoms, the taifas clung to the prestige of structures and forms of the style of Córdoba.The recession was felt in the construction techniques and in the materials, though not in the profusion of the ornamentation.The lobes of multifoil arches were multiplied and thinned, transformed in lambrequins, and all the Caliphal elements were exaggerated.