Activating CSS theme support
reference australia Updated Sep 10, 2026 1 min read r_ActivatingCSSThemeSupport.md
There are different plugins that activate CSS themes support.
Activate the following plugins to use themes, based on the version of the UI you use.
Core UI: CSS Theme support See Activate a plugin.
Parent Topic:CSS theme support
Related topics
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--- title: Activating CSS theme support description: There are different plugins that activate CSS themes support. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-user-interface/r\_ActivatingCSSThemeSupport.html release: australia topic_type: reference last_updated: "2026-09-10" reading_time_minutes: 1 breadcrumb: [CSS theme support, Customizing instance appearance, User interface configuration, Working in Core UI, Configure UIs and portals, Configure user experiences] --- # Activating CSS theme support There are different plugins that activate CSS themes support. Activate the following plugins to use themes, based on the version of the UI you use. **Core UI:** CSS Theme support See [Activate a plugin](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/platform-administration/t_ActivateAPlugin.md). **Parent Topic:**[CSS theme support](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-user-interface/c_CSSThemeSupport.md) **Related topics** [Create or customize a theme]() [Default CSS styles]()
| title | Activating CSS theme support |
| description | There are different plugins that activate CSS themes support. |
| locale | en-US |
| canonical_url | https://www.servicenow.com/docs/r/australia/platform-user-interface/r\_ActivatingCSSThemeSupport.html |
| release | australia |
| topic_type | reference |
| last_updated | 2026-09-10 |
| reading_time_minutes | 1 |
| breadcrumb | CSS theme supportCustomizing instance appearanceUser interface configurationWorking in Core UIConfigure UIs and portalsConfigure user experiences |