6 beginner friendly websites that will boost your HTML and CSS learning process

Learn HTML

- The easiest way to learn HTML & CSS. Learn HTML provides an interactive tutorial that explains how to build HTML & CSS websites step by step.

https://www.learn-html.org/ 

HTML best practice

- A very well written document on HTML best practice

https://hail2u.github.io/html-best-practices/

Learn to Code HTML & CSS

- Learn to Code HTML & CSS is a simple and comprehensive guide dedicated to helping beginners learn HTML and CSS

https://learn.shayhowe.com/html-css/ 

Hex Invaders

- Hex Invaders is a fun way to learn and understand what hex codes are and how they work

http://www.hexinvaders.com/ 

CSS reference

Visual guide to learn CSS

https://cssreference.io/ 

Griddy

- Learn and create CSS grid

https://griddy.io/