Colorize top level bookmarks
In Acrobat, you can nest a list of bookmarks to show a relationship between topics. Nesting creates a parent/child relationship. Bookmarks are generated automatically during PDF creation from the table-of-contents entries of documents created by most desktop publishing programs. This Action will colorize the top level bookmarks in red so they are more easily visible. Manually this process can take hours for documents with many bookmarks, like a digital catalog. With the Action, it is immediate.