Answer: Postmodern
Explanation: Postmodernism is a movement that started around the late 20th century,this movement was especially against the formality,lack of varieties and simplicity of the architectures modern era especially of the international style. This led architects like Michael Graves to start making buildings with postmodern architecture, example of this building is the PORTLAND PUBLIC SERVICE BUILDING a fifteen(15) storey building which consist of varieties of surface finishes, paints,small windows and decorations is a sharp contrast from other public service buildings earlier built.