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## 11.1 Using Themes

Learn about the Universal theme and how to control the layout of your application using theme styles, Theme Roller, and template options.

- About Themes
  Themes are collections of templates that enable developers to define the layout and style of an entire application.
- Understanding the Universal Theme
  Universal Theme - 42 (Universal Theme) features a responsive design and enables developers to create web applications without extensive knowledge of HTML, CSS, or JavaScript.
- Using Theme Styles
  A theme style is a CSS that is added to the base CSS. Using the Theme Roller utility, developers can change the appearance of an application. Universal Theme - 42 includes theme styles.
- Using Theme Roller
  Use Theme Roller to quickly transform the appearance of an application without editing any code.
- Understanding Template Options
  Template options provide developers with a declarative approach to applying different styles to components on an Oracle APEX page.

See Also:

Managing Themes and Subscriptions

Parent topic: Using Themes and Theme Styles