There are a whole host of new and exciting CSS features that were rolled out in 2025, many of which are supported by the latest editions of Chromium browsers already in 2026. A list of these new features are described in the CSS Wrapped 2025 article by the Chrome dev team.
A Brief Look At New Features
Feature
Description
appearance: base-select
Enables the new <select> styling options
select::picker(select)
Pseudo-element for the dropdown surface of a <select> that has base-select
read more