Vadim Gunko developed the "How It Works" section for the Vadimeks/devdreamers-project-01 repository, focusing on a clear, step-by-step guide to the vegetable basket ordering process. He used HTML and CSS to create responsive visuals and descriptive text, ensuring the new section displayed well across devices. Vadim enhanced code maintainability by adding organizational comments throughout the CSS and HTML, making future updates easier. The work included styling refinements and the addition of clear section titles to improve user experience. No major bugs were reported, and minor rendering issues were addressed during implementation, reflecting a focused and well-scoped engineering effort.