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Styling your application with design systems

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Applicable to Theme Cosmos applications

Design systems help you introduce consistency to the applications that you build. By choosing to use a design system, you can scale your designs to maintain a unified presence across a number of platforms with less effort.

A design system is a library of patterns and rules that determine how an interface responds to user interaction. Design systems contain the best practice guidelines, operational assets, and UI components that are required to deliver the interface. For example, a design system might include a reusable table component that supports sorting, filtering, and grouping. You can source every table in your application from that component, which means that every table in the application can have the same basic architecture and rely on consistent rules to model user interactions.

Some organizations develop proprietary design systems to unify the presentation, behavior, and structural rules of their application interfaces. However, most businesses rely on the design system that is provided by Pega. Either approach helps improve consistency, and creates a system that is easier to upgrade and maintain.

Theme Cosmos design system

Pega Platform uses the Theme Cosmos design system as its main product design resource. The system provides a consistent library of components that form the entire user experience for both customer-facing applications and Pega Platform itself.

Theme Cosmos relies fully on templates and prefabricated components for more efficient development and performance. In addition, a more modern design and increased focus on intuitiveness help save time on application updates and user training.

  • Skins

    Skins help you style the graphic elements of your interface, such as borders and backgrounds, separately from the content. This approach ensures greater consistency, promotes reuse, and provides you with tools to make quick changes to the graphic design of your application.

  • Updating the Cosmos theme in your application

    Build your application by using the latest UI tools. By ensuring that the Cosmos theme ruleset is up to date, you provide your application with a modern and responsive interface.

  • Managing Cosmos UI settings in case designer

    Adjust the Cosmos-based user interface of your application to the needs of your organization. By changing Cosmos settings, you can control case-level fields and case behavior to make the interface cleaner or more informative, according to your preferences.

  • CSS helper classes

    CSS helper classes are snippets of code that introduce minor formatting changes to your UI. If your application has many formats of the same type, and these formats vary only slightly, using CSS helper classes can save you development time by limiting the number of customized skin formats.

  • Uploading custom font files

    Ensure that your user interface meets the branding requirements of your company by adding new fonts to Pega Platform. Your custom font files can comprise standard fonts or icon fonts, which you can then add to the default icon set for your application.

  • Login screen customization

    You can customize the appearance of the login screen and other screens that unauthenticated users access, to maintain design consistency with your company's style guidelines.

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