Disable bootstrap 5 Responsive font sizes?

Question

What is the easiest way to disable RFS in bootstrap 5?

I tried:

$font-size-base: 1.6rem;
$font-size-lg: $font-size-base;
$font-size-sm: $font-size-base;

But reboot.scss seems to override it.

user_1094339 · Answer

override $enable-rfs to false.

$enable-rfs: false;