It is an ideal case of the Neoclassical style. Neoclassical design is a structural style delivered by the neoclassical development that started in the mid-eighteenth century. In its purest shape, it is a style chiefly got from the engineering of traditional artifact, the Vitruvian standards, and crafted by the Italian modeler Andrea Palladio.
As the paintings, this baroque art movement was EXTREMELY ornate with fabulous flourishes colored in lavish gold, really anything to show their wealth.