--- title: Mobile UI styles description: UI styles define the font and background color of fields in your applets. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/mobile/mobile-ui-styles.html release: australia topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Mobile styles, Mobile app components, Building mobile apps, Mobile Platform] --- # Mobile UI styles UI styles define the font and background color of fields in your applets. You can associate one or more UI styles to a legacy card record to change the appearance of the fields in that legacy card. Each UI style applies to a single table. You and only applies under conditions you set within the UI style record. **Note:** Mobile UI styles can only be applied to legacy cards. ## Create UI Styles Create and modify your UI Styles using the Mobile App Builder. In a UI style, you select a field from your selected table, and define a font and background color for that field. Use may include conditions to determine when a style is applied. For example, you may want to use a colored background on the **Priority** field to highlight when a record is high priority. Each UI style record defines the colors for a single field, however multiple UI styles can be added to a legacy card to customize the appearance of multiple fields.