As a web developer of 25 years, I’ve been working with CSS for the last 15 years. I’ve put together a CSS guide of my favorite resources and the best of the new resources on this evolving technology.

New and Notable

• Reducing The Need For Pseudo-Elements
• Less Absolute Positioning With Modern CSS
• Interactive Learning Tools For Front-End Developers
• CSS Container Queries For Designers
• Custom Scrollbars In CSS
• 7 of the Best Code Playgrounds
• Flexbox or CSS Grid? How to Make Layout Decisions that Make Sense
• “Just in Time” CSS

Essential Documentation

• CSS: Cascading Style Sheets (MDN)
• CSS Reference
• CSS Tutorial – W3 Schools

Tools

• CSS selectors cheatsheet
• Interactive box-model demo
• CSS Grid Generator

Tutorials and Courses

• Modern CSS Design Systems –  Level Up Tutorials
• Learn CSS Variables in 5 minutes – A tutorial for beginners
• A Smashing Guide to CSS Layout
• Learn CSS, from Laying Out Websites to Performant Animations – FrontEnd Masters
• 20 CSS Flexbox Tutorials, Guides, and Tools

Blogs and Websites

• Ahmad Shadeed – CSS Articles – My current favorite source for excellent explainer articles on CSS.
• CSS In Real Life
• CSS-Tricks
• Meyerweb.com
• WebDesignDev

Books

• Advanced CSS: Zombie in a Cocktail Dress
• CSS: The Definitive Guide, 4th Edition
• CSS Grid Layout: 5 Practical Projects
• CSS Master, 2nd Edition
• Learn CSS in One Day and Learn It Well
• Modern CSS Layout – Decking Zombies with Style

Industry Research

• 2020 Roundup of Web Research