Worked on the Hizkia-wa/psw_kelas repository to deliver targeted frontend and content improvements over a one-month period. Focused on enhancing user navigation and learning clarity by overhauling the navbar and standardizing quiz interfaces, applying CSS and React to ensure responsive and accessible design. Updated educational content within biology modules, replacing placeholders with refined information to address content gaps and support learner understanding. Maintained repository hygiene by identifying and removing empty or placeholder commits, demonstrating attention to code quality and commit discipline. The work balanced feature delivery and bug fixes, emphasizing scalable front-end development practices using JavaScript, HTML, and CSS.