HTML and CSS Learning

Grid
A simple guide to responsive design. Made by Adam Kaplan.
HTML & CSS
Learn how to create websites by structuring and styling your pages with HTML and CSS.
Code School
Learn By Doing. No setup. No hassle. Just learning.
A Designers Guide to Flexbox
A Designer's Guide To Flexbox. Flexbox is a new and very powerful CSS layout module, one completely divorced from web practices of the past.
HTML Cheat Sheet
Interactive HTML cheat sheet for beginners.
Don't Fear the Internet
Don't Fear the Internet BASIC HTML and CSS for NON-WEB DESIGNERS by Jessica Hische & Russ Maschmeyer.
Learn CSS Layout
This site teaches the CSS fundamentals that are used in any website's layout.
20 Useful HTML5 Code Snippets
20 Useful HTML5 Code Snippets You Should Know.
The Ultimate Flexbox Cheat Sheet
The Ultimate Flexbox Cheat Sheet.
Scalable and Modular Architecture for CSS
Scalable and Modular Architecture for CSS. A flexible guide to developing sites small and large.
HTML & CSS
Teaching Materials: Intro to HTML/CSS.
HTML & CSS
Treehouse is the fastest, easiest way to learn to code, make apps, and start a business.
Using CSS Flexible Boxes
Using CSS flexible boxes.
CSS-Guidelines
General CSS notes, advice and guidelines.
CSS Grids
A two-dimensional structure made up of a series of intersecting vertical and horizontal axes used to structure content.
HTML & CSS
HTML is the markup language for displaying web pages and other information that can be displayed in a web browser. CSS is a language used for describing the look and formatting of HTML.
School of Webcraft
The School of Webcraft has evolved into Webmaker #TeachTheWeb.
Udacity
Advance Your Career Through Project-Based Online Classes - Udacity.