rem are flexible, scalable units of measurement that give you a specific set of benefits when used to size your layouts and typography. Making decisions on which unit to use in which scenarios can be confusing, especially when opinions on “the best way” can differ widely.
In this course, we won’t be telling you what “the best way” is. Instead, we’ll give you a full insight into exactly how these units work and the pros and cons of using each. You’ll be able to decide for yourself on your preferred approach.
Learn CSS: The Complete Guide
We've built a complete guide to help you learn CSS, whether you're just getting started with the basics or you want to explore more advanced CSS.