Using Magento 2.3.3
Please tell me which file to change Menu Font Size and Color.
Please follow the below to resolve this
For any type of design changes like font and color create your own custom css in theme.
Let me know if any issues
If my answer is useful, please Accept as Solution & give Kudos
if you want to change the beautiful instagram schrift, it's very simple, just go to instagramschrift.net