A family of Microsoft word processing software products for creating web, email, and print documents.
Put the selection in the text of a caption and press CTRL+SHIFT+s which will display the Apply Style dialog, populated with the Caption style. Then click on the Modify button in that dialog
and make the desired modifications to the Style. If you want those modifications to be used for all documents, select the radio button for New documents based on this template before clicking on OK in the Modify Style dialog