https://ask.sagemath.org/question/10721/is-possible-use-a-css-style-in-a-sagews-document/
Is possible use a css style in a sagews document? - ASKSAGE: Sage Q&A Forum
In https://github.com/CamDavidsonPilon/P... exits a file custom.css that provides a style to ipynb's documents, Is possible use in a sagews document?