SAS applications display
with the Flex interface that is provided by a particular version of
SAS Application Themes for Flex. At start-up time, Flex applications
load Flex themes automatically. A theme consists of SWF files that
include cascading style sheets (CSS) files. The theme content is downloaded
to the client, and is cached by the user's Web browser. As a result,
during subsequent uses of the Web application, the theme content loads
quicker than when it is initially loaded. The SAS Corporate theme
is the default theme for all Flex applications.