In Version 3.5.0, Settings → Advanced Settings Editor, select “Theme” in left navigator, then in User Preferences, make change for “code-font-size”.
Read more about Jupyter Lab Settings article:
In Version 3.5.0, Settings → Advanced Settings Editor, select “Theme” in left navigator, then in User Preferences, make change for “code-font-size”.
Read more about Jupyter Lab Settings article: