Shardul Vikram contributed to the CollaboraOnline/online repository by delivering two targeted front end enhancements focused on rendering quality and maintainability. He replaced a PNG image with a scalable SVG in the Query Settings dialog, improving visual fidelity on high-DPI displays and reducing rendering artifacts. Additionally, he performed a CSS cleanup, removing redundant lines and refining formatting to enhance code readability and future maintainability. Working exclusively with CSS and front end development techniques, his changes addressed specific UI issues and streamlined the codebase. The work demonstrated a focused approach to incremental UI improvement, with depth in both visual and code quality enhancements.