i think someone somewhere is applying a font without me knowing, and i cant change it

so backstory app router kinda annoyinh so i searched online and apperantly u can have both pages router and app router i added that and moved the reactive / client routes there and still keep my static components in the app router but when i moved it i notice fonts started changing. i check the styles tab theres no times new roman only when i check the computed tab times new roman appears