Worked on the zulip/zulip repository to address a user interface issue affecting organization logo rendering in the navbar. Focused on front end development using CSS and HTML, the developer resolved a bug that caused distortion of wide logos by replacing a fixed height with responsive scaling through height:auto and max-height properties. Additionally, they updated the admin settings UI to provide explicit guidance on recommended logo dimensions, aiming to improve branding consistency and reduce onboarding friction for administrators. The work consisted of targeted, low-risk CSS adjustments and clear documentation, contributing to a more maintainable and user-friendly interface for future updates.