Hi Bruno,
This is what your adjusted project looks like at Design and RunTime here:
1 - I see the font size is still smaller at runtime. I'm running in a VM with 125% scaling here.
2 - I need to use the Office 2019 White style - and when I do it sets the font to Segoe UI and it seems it cannot be changed at the ToolbarStyler.Font - only on each glow button.
Best regards,