New CSS Features to Know for 2025

Explore the latest CSS features coming to browsers in 2025 in this 33-minute video, the first installment of Kevin Powell's "CSS Quarterly" series. Discover upcoming innovations including custom selects, native carousels, CSS mixins and functions, anchor positioning, view transitions, text-box-trim, advanced attr(), transition-behavior properties, and a potential new unified layout concept. Learn about newly available features like popover attributes, scrollbar customization options, backdrop-filter, relative colors, alt text for generated content, mathematical functions (round, mod, rem), light-dark() function, text-wrap properties, and AVIF image format. The video also covers widely supported features now reaching baseline status: overflow: clip, overscroll-behavior, text-align-last, :focus-visible, cascade layers, and dialog & modal elements. Each topic includes demos, code examples, and additional resources to help implement these powerful CSS capabilities in your projects.