<Question> Automatic `WONK` works at different `font-size` in different browsers

[ehzro3]

Problem description
README says WONK is automatically toggled below 18px but it toggles at

• 10px in Chrome
• 21px in Safari
• 21px in FireFox

Expected behavior
WONK toggling at 18px in every browser.

Screenshots

To Reproduce

1. Get Fraunces from Google Fonts API2.2. 2.

https://fonts.googleapis.com/css2?family=Fraunces
:	ital,		opsz,	wght,	SOFT,	WONK
@	0,		9..144,	700,	50,		1
;	1,		9..144,	700,	50,		1

2. See which font-size an ampersand ticks.

Environment (please complete the following information):

• OS: MacOS Monterey 12.4
• Browser: Safari 15.5 / Chrome 102 / FireFox 101
• Fonts: Fraunces 1.0

Additional context
Add any other context about the problem here.