Automatic generation of the file css-box-4/Overview.html was successful but Bikeshed reported the following:
WARNING: Couldn't determine width and height of this image: images/box.png [Errno 2] No such file or directory: '/tmp/drafts_wf3aKY/images/box.png' ✔ Successfully generated, with warnings
Last Bikeshed run at 2021-10-16 07:18:05 PDT