During the month, contributed to the jupyterlab/jupyterlab repository by addressing a cross-browser UI issue affecting terminal font rendering on macOS Safari. The work focused on front end development and UI/UX design, specifically updating the terminal’s default font-family to 'ui-monospace, monospace' using CSS to ensure consistent appearance across browsers. This targeted fix preserved existing behavior for non-Safari environments, minimizing disruption while improving user experience for Safari users. By resolving this bug, the developer reduced potential user confusion and support requests, demonstrating attention to detail and a pragmatic approach to incremental improvements in a large, collaborative open-source codebase.