Flexbox Courses

Master HTML and CSS by building real world projects
Udemy

Learn CSS: Flexbox and Grid
Codecademy

Tailwind CSS Tutorial for Beginners
Scrimba via YouTube

Common Beginner CSS Mistakes
Kevin Powell via YouTube

Container Queries Are Going to Change How We Make Layouts
Kevin Powell via YouTube

Flexbox Is More Complicated Than You Thought
Kevin Powell via YouTube

Build a Responsive Card - HTML and CSS Tutorial
Kevin Powell via YouTube

Coding a Signup Form With HTML and CSS
Kevin Powell via YouTube

Flexbox or Grid - How to Decide
Kevin Powell via YouTube

Flexbox Design Patterns You Can Use in Your Projects
Kevin Powell via YouTube