During December 2024, work focused on delivering a comprehensive UX and UI upgrade to the Proposal section within the ryabyy/goit_markup_finproj_g4 repository. The developer implemented responsive layouts for desktop, tablet, and mobile, enhancing accessibility and user engagement. Using HTML and CSS, they introduced a styled container, cards, header, and a content area featuring a detailed list and call-to-action. CSS variables for color and layout were added to support consistent theming and efficient UI iteration. The HTML structure was refactored with simplified class names for maintainability, and styling regressions were addressed to ensure cross-platform consistency and improved stability.