Can CSS-like keyframe animations and hover transitions work in a native GUI without a browser or WebView? Clay Board Style System v0.4.1, released on August 12, 2026, includes a new SDL3 demo that shows them running in a native UI built with Nim.
Select the preview to open the full MP4 recording.
Clay Board Style System is abbreviated as CBSS throughout the rest of this article.
Why CSS-like animation is useful in native GUI development
The first version of a native UI animation often starts with a timer and a mutable position:
