Olivia Wolfie enhanced the codidact/qpixel repository by delivering targeted improvements to user interface readability and layout stability. She addressed cross-device and cross-browser rendering issues by refining CSS, specifically implementing overflow-wrap on key elements and removing unnecessary width constraints to ensure consistent layouts. Olivia also resolved MathJax rendering overflows in posts by constraining container widths and managing overflow within mjx-container elements, with particular attention to Chromium-specific behaviors. Her work in front end development and CSS improved content accessibility and reduced layout artifacts, resulting in a more stable and readable interface that supports sustained user engagement and lowers support overhead.