4 Key CSS Features to Know in 2026

The article discusses four key CSS features that every front-end developer should know by 2026. The first feature is CSS Container Queries, which allow developers to adapt styles based on the size of the container. This enhances the responsiveness of designs, making them more flexible and suited to user needs. Another point addressed is CSS Subgrid, which is a subset of Grid Layout properties, enabling better layout management in more complex projects. The third innovation mentioned is the :has() selector, allowing styles to be applied to elements based on the presence of other child elements. Additionally, the article highlights the support for these new features in popular browsers, making CSS a more accessible and practical tool. Finally, it emphasizes the importance of knowing these features in creating modern and effective interfaces that can meet user needs in the coming years.