Navigation Arrows broken

The navigation arrows seem to be broken. Dont know if this is a local issue in my installation, or a general issue.
Already purged the cache and used a private session. No changes.

<img width="709" height="108" alt="Image" src="https://github.com/user-attachments/assets/fb05c60b-c1f8-4870-b445-a36dc2924828" />