Font size in rich text mode is smaller than in edit mode

[suppergit]

Is your feature request related to a problem? Please describe.
Font size in rich text mode is smaller than in edit mode,but there is no option to set up the font size in Note setings

Describe the solution you'd like
Add a option to set up the font size in Note setings.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.