# Themes Themes play a significant role in the visual presentation and user experience of the system. They allow users to customize and tailor the interface according to their preferences, branding guidelines, and accessibility requirements. Themes contribute to a visually appealing, user-friendly, and consistent user interface, enhancing the overall usability and satisfaction of Guardian users. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://guardian.hedera.com/guardian-dev/guardian/standard-registry/policies/themes.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.