Worked on the yangelia/project-g14 repository to redesign the advertisement section, focusing on improving both user experience and accessibility. The approach involved refactoring CSS and HTML for clearer, more descriptive class naming and updating the markup to enhance semantic structure. A visually-hidden utility was introduced to support screen-reader accessibility, and the advertisement button was converted into a direct link to the contact section, streamlining navigation. Hover and transition behaviors were refined for better visual feedback. This work demonstrated proficiency in front-end development, accessibility, and maintainable CSS and HTML, laying a foundation for future enhancements and aligning with usability goals.