Chris Yong contributed frontend improvements to the NotInvalidUsername/DSA3101_Group8_Project1 repository, focusing on the A4 marketing analysis page. He enhanced navigation and readability by introducing HTML anchors and refining internal linking, making the user interface more accessible and easier to navigate. Using HTML and Python within the Streamlit framework, Chris addressed a bug where hardcoded text color hindered dark and light mode compatibility, ensuring robust text rendering across themes. His work delivered a more user-friendly and adaptable frontend, aligning with business goals of improved engagement and accessibility. The scope was focused, with one feature and one bug fix completed.