Box Model Courses
LinkedIn Learning Learn HTML5 and CSS3 From Scratch - Full Course
freeCodeCamp CSS for Non-Web Developers - Tutorial - Part 1
Tech with Tim via YouTube The 6 Most Important CSS Concepts for Beginners
Kevin Powell via YouTube CSS Fundamentals
egghead.io CSS Fundamentals
egghead.io CSS for Programmers
LinkedIn Learning HTML and CSS Foundations
Udemy CSS Basics
Udemy CSS Full Course for Beginners - Complete All-in-One Tutorial
Dave Gray via YouTube