---
-
  title: Attribution 4.0 International (CC BY 4.0)
  short_label: CC BY 4.0
  icon_file: images/by.png
  url: https://creativecommons.org/licenses/by/4.0/
-
  title: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
  short_label: CC BY-NC 4.0
  icon_file: images/by-nc.png
  url: https://creativecommons.org/licenses/by-nc/4.0/
-
  title: Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0)
  short_label: CC BY-ND 4.0
  icon_file: images/by-nd.png
  url: https://creativecommons.org/licenses/by-nd/4.0/
-
  title: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
  short_label: CC BY-SA 4.0
  icon_file: images/by-sa.png
  url: https://creativecommons.org/licenses/by-sa/4.0/
-
  title: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
  short_label: CC BY-NC-ND 4.0
  icon_file: images/by-nc-nd.png
  url: https://creativecommons.org/licenses/by-nc-nd/4.0/
-
  title: Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
  short_label: CC BY-NC-SA 4.0
  icon_file: images/by-nc-sa.png
  url: https://creativecommons.org/licenses/by-nc-sa/4.0/