fix(thumbnail): fix console warning on img overflow style

Author: gcornut

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 -   `Popover` & `Tooltip`: fix popper warning on margin style applied by class `.visually-hidden`.
+-   `Thumbnail`: fix console warning on img overflow style.
 
 ## [3.15.0][] - 2025-07-02
 

packages/lumx-core/src/scss/components/thumbnail/_index.scss

@@ -117,6 +117,7 @@
         // https://stackoverflow.com/a/77059936
         // The following prevent this so the image is correctly downsized using blurring effect
         overflow-clip-margin: unset;
+        overflow: clip;
 
         @supports not (aspect-ratio: 1 / 1) {
             position: absolute;