Ulia Chernysheva delivered a comprehensive hero section visual refresh and responsive redesign for the Obolonska/team-project repository, focusing on enhancing first impressions and user engagement across devices. She restructured the HTML and developed a modular CSS architecture, introducing dedicated stylesheets for mobile, tablet, and desktop layouts to ensure consistent presentation at all breakpoints. Her work included updating hero images and refining assets, with iterative CSS improvements to stabilize the new design. Using her expertise in CSS, HTML, and responsive design, Ulia provided traceable, incremental commits that support future iterations, addressing layout challenges without encountering major bugs during the development period.