In BIRT technology, a set of related styles stored in a library (.rptlibrary) file. A theme provides a preferred appearance for the report items in a report design. A library file can store multiple themes. A report design can use styles from a single theme as well as styles defined in the report design itself.
Related terms
Business Intelligence and Reporting Tools (BIRT) technology, design, library (.rptlibrary) file, report, report item, style
Contrast with
cascading style sheet (CSS)

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