How is font size measured? - Quora
css - What does font-size really correspond to? - Stack Overflow
Why designers should move from px to rem (and how to do that in Figma) | by Christine Vallaure | UX Collective
A deep study on CSS Units
CSS Font Size (px vs. em vs. percent vs. pt) - Knowledge Base - Cristian Sulea
Why You Should Use rem to Set Font Size in CSS
Em (typography) - Wikipedia
browser - When setting a font-size in CSS, what is the real height of the letters? - Stack Overflow
css - What does font-size really correspond to? - Stack Overflow
CSS units - %, em, rem, px, vh, vw - GeeksforGeeks
html - How to convert <font size="10"> to px? - Stack Overflow
Design With FontForge: The EM Square
Exploring x-height & the em square – Fonts Knowledge - Google Fonts
Clarifications about em units, point size and line spacing - Font Forum
L'astuce du font-size: 62.5%; oui, non ou « ça dépend » ? – La Tête dans le Flux
Design With FontForge: The EM Square
Why designers should move from px to rem (and how to do that in Figma) | by Christine Vallaure | UX Collective
rem vs em: Understanding the CSS Unit Basics
Em – Fonts Knowledge - Google Fonts
Increase Font Size, and Increase SEO & RPM Along With It - Mediavine
Design With FontForge: The EM Square
Getting Started With Setting HTML Font Size | Udacity Tech
Font Size and Legibility for Videowall Content | Extron
