How to Customize Grafana interface

HI Experts
im also trying to change the panel font size in grafana with no luck.
i have grafana * [v9.3.6 (978237e7cb) on WIn machine
i saw some comments that can be change in the scss files under public but cant find the right one
thanks for helping

Months of work bundled with deep expertise nicely wrapped into a 7-minute long video revealing simple steps to customize Grafana. In this tutorial, we answered all community questions we collected to this moment.