During February 2025, the developer contributed to the YurchenkoMaxx/project-7-heaven repository by building a new promotional advertisement section for the homepage. Using HTML and CSS, they structured and styled the section to highlight offers while ensuring responsive design across mobile, tablet, and desktop devices. Their approach included refactoring existing styles to improve consistency and maintainability, supporting future scalability for additional campaigns. Although no major bugs were addressed, minor fixes were incorporated as part of the development process. The work demonstrated a focused application of front end development skills, particularly in responsive design and code organization, within a limited project scope.