When we say national style it means a Greek revival style during the height of its popularity from 1830 to 1850. Greek revival has a strong focus on the Greek orders. The Greek orders are the three types of columns: Ionic, Doric, and the Corinthian. These three classical orders of Greek architecture are still used in today’s national style. The White House and the U.S. Supreme Court building characterize today’s national style. They characterize today’s national style by the use of Greek elements such as round columns and elaborate embellishments. The White House and a regular Greek temple have the same triangular entrances supported by the columns- Ionic.