During July 2025, Gnarf focused on enhancing the user interface of the w3c/aria-at-app repository by addressing a specific bug related to tooltip readability on large screens. Using CSS and front end development skills, Gnarf implemented a constraint on tooltip maximum width, reducing it from 100vw to 40em. This adjustment ensured that tooltips remained readable and accessible across various device sizes, directly supporting accessibility and UI consistency goals. The work was delivered as a targeted bug fix, reflecting a precise and thoughtful approach to responsive design. Gnarf’s contribution demonstrated attention to detail and a clear understanding of front end best practices.