Clarifications about em units, point size and line spacing - Font Forum
Exploring x-height & the em square – Fonts Knowledge - Google Fonts
Explaining the NEW Font Height Feature in Adobe Illustrator - YouTube
![How using [rem] can help you to build excellent mobile-first applications](https://media.licdn.com/dms/image/C4D12AQFkZ4yTEC1E-w/article-cover_image-shrink_720_1280/0/1615936269150?e=2147483647&v=beta&t=hicNa_GRSvx9kY2pOKJrkmbNf4shac0cc355uKHmS0g "How using [rem] can help you to build excellent mobile-first applications")
How using [rem] can help you to build excellent mobile-first applications
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
Deep dive CSS: font metrics, line-height and vertical-align - Vincent De Oliveira
rem vs em: Understanding the CSS Unit Basics
Increase Font Size, and Increase SEO & RPM Along With It - Mediavine
Why designers should move from px to rem (and how to do that in Figma) | by Christine Vallaure | UX Collective
Cascading Style Sheets, designing for the Web – Chapter 3: The amazing em unit and other best practices
html - How to convert <font size="10"> to px? - Stack Overflow
CSS units - %, em, rem, px, vh, vw - GeeksforGeeks
Em (typography) - Wikipedia
Em – Fonts Knowledge - Google Fonts
Css units
EM or PX : Which One is Right for Your Email - Email Uplers
Design With FontForge: The EM Square
CSS Font-Size: em vs. px vs. pt vs. percent / Kyle Schaeffer
How is font size measured? - Quora
Em – Fonts Knowledge - Google Fonts
css - What does font-size really correspond to? - Stack Overflow
Input values and units - Webflow University Documentation
CSS { In Real Life } | Inspecting Sizes
Em (typography) - Wikipedia
CSS Font-Size: em vs. px vs. pt vs. percent / Kyle Schaeffer
