During April 2025, work focused on establishing the foundational Sale Page UI for the Martv1n/project-MustWatch repository. The developer created a robust HTML structure and implemented responsive CSS to ensure product images, titles, prices, descriptions, and features displayed consistently across mobile, tablet, and desktop devices. Emphasis was placed on maintainable front end development, including cleaning up duplicate styles and refining media queries for stable cross-device rendering. The resulting layout improved alignment, spacing, and typography, laying the groundwork for future enhancements. This approach prioritized a clean, scalable codebase using HTML, CSS, and responsive design principles to support ongoing product evolution.