方法一
/lib/site-packages/notebook/static/custom/
里面有个custom.css文件,你只要修改这个文件就可以了.
/*
jupyter notebook中显示字体如何调整？ - 李懿虎的回答 - 知乎
https://www.zhihu.com/question/40012144/answer/124731496
*/
/*
Placeholder for custom user CSS
mainly to be overridden in profile/static/custom/custom.css
This will always be an empty file in IPython
*/
.CodeMirror pre {font-family: Monaco; font-size: 10pt;}
* {font-family: Monaco;}
div.output_area pre {font-family: Monaco; font-size: 10pt;}
div.input_prompt {font-family: Monaco; font-size: 10pt;}
div.out_prompt_overlay {font-family: Monaco; font-size: 10pt;}
div.prompt {font-family: Monaco; font-size: 10pt;}
span.cm-comment {font-family: Monaco !important; font-style:normal !important; color:#FFAE3C !important;}
方法二
C:Usersuser.jupytercustomcustom.css
没有就新建一个文件。