During December 2024, Michele contributed to the Aryakoste/mattermost repository by delivering a targeted user interface enhancement focused on emoticon rendering. Michele refactored the CSS to prioritize the use of transform: scale for resizing emoticons, with a fallback to zoom, addressing cross-browser inconsistencies and improving visual fidelity. This approach ensured that emoticons rendered consistently across major browsers, aligning with product design requirements and reducing potential UI discrepancies. The work demonstrated proficiency in front-end development, particularly with CSS and JavaScript, and reflected a focused, high-signal contribution that addressed a specific rendering issue without introducing unnecessary complexity or broad code changes.