Broken image in the header

Check 
https://cernopendata-client.readthedocs.io/en/latest/

<img width="849" height="154" alt="Image" src="https://github.com/user-attachments/assets/d45bf9a4-1164-4fa9-b5c1-1ad2f1126070" />

There seems to be a broken image for the actions