Worked on enhancing style parsing correctness and API accessibility across the DioxusLabs/stylo and servo/stylo repositories, focusing on alignment with web standards. Addressed a critical parsing bug by refactoring the IntersectionObserver margin logic, renaming and relocating the relevant type for clarity and maintainability. Exposed and renamed the IntersectionObserverMargin API in servo/stylo, updating documentation and parsing logic to match the W3C specification. These changes improved reliability and safety in downstream rendering workflows. The work involved extensive use of Rust, with an emphasis on refactoring, style parsing, and adherence to web standards, resulting in a more robust and accessible codebase.