Purpose: How to create a Theme for a Portal Experience in ServiceNow UI Builder. A Theme defines CSS Custom Property values and assets that are used to configure the look and feel of a Portal Experience. Open Experience in UI Builder Click “Menu” next to Experience name and logo Click “Edit Experience Settings” Click “Branding and Theming” Click “Create a theme” Complete the form as follows: Name: Any text Description: Any text Extends: Default Active: True / Checked Click “Submit” Close current browser tab to return to the UI Builder browser tab Close and reopen the Experience Settings panel On “Branding and Theming” tab, select Theme created in step 6 Click “Save all changes”