Mykhailo contributed targeted front-end improvements to the snegurova/your-energy repository, focusing on enhancing user experience and interface reliability. He implemented modal enhancements using JavaScript, HTML, and CSS, ensuring full-screen backdrops and correct overflow handling for smoother modal interactions. Mykhailo also addressed UI inconsistencies in the Favorites section by resolving scroll-to-top issues and fixing horizontal overflow in exercise cards, which improved navigation and accessibility. Additionally, he refined the hero and footer layouts through precise margin and padding adjustments. His work demonstrated a thoughtful approach to edge-case UI issues, resulting in a more consistent and accessible energy tracking application.