Use "shields.io" for CI badge.
.. |NumFOCUS| image:: https://img.shields.io/badge/powered%20by-NumFOCUS-orange.svg?style=flat-square&colorA=E1523D&colorB=007D8A
:target: http://numfocus.org
:alt: Powered by NumFOCUS
-.. |actions| image:: https://github.com/colour-science/colour/workflows/Continuous%20Integration/badge.svg
+.. |actions| image:: https://img.shields.io/github/workflow/status/colour-science/colour/Continuous%20Integration?label=actions&logo=github&style=flat-square
:target: https://github.com/colour-science/colour/actions
:alt: Develop Build Status
.. |coveralls| image:: http://img.shields.io/coveralls/colour-science/colour/develop.svg?style=flat-square
