Ultimate CSS Reference & Learning Resources — From Basics to Advanced

 

CSS REFERENCES

1. Codrops
   An extensive CSS reference offering way more content than MDN

2. Can I use
   Interactive browser support tables for CSS (and HTML5).

CSS IN A NUTSHELL

1. Introduction to CSS
   This Screencast series will teach you the basics of CSS in about one hour.

FUNDAMENTAL CONCEPTS

1. The cascade
   This article explains what the cascade is and how this affects you.

2. Specificity and inheritance
   Understanding specificity and inheritance is important to master CSS. This article will help.

3. CSS Box Model
   An article explaining the foundation of layout on the web.

CSS UNITS

1. The Lengths of CSS
   Overview covering absolute and relative units.

2. Fun with Viewport Units
   Imparts the basics and shows some nifty use-cases.

SELECTORS

1. Basic CSS Selectors
   An introducing to the very basic CSS selectors you need to know.

2. Advanced CSS Selectors
   Level up your knowledge. From attribute selectors to CSS3 pseudo classes.

3. CSS Dinner
   Learn how to use CSS selectors with this fun little game.

CUSTOM PROPERTIES (AKA CSS VARIABLES)

1. CSS Variables: Why Should You Care?
   A short introduction to CSS variables.

2. Locally Scoped CSS Variables: What, How, and Why
   Describes the advantages of locally scoped CSS variables.

3. Using CSS variables correctly
   Patterns and anti-patterns for using CSS variables.

4. Everything you need to know about CSS Variables
   In depth article going beyond the basics of CSS Variables using real-world examples.

5. Getting Reactive with CSS
   Mindblowing talk about the possibilities of the combination of CSS variables and functional reactive programming in JavaScript.

LAYOUT

1. Learn CSS Layout
   Learn about CSS layout techniques in 5 chapters.

2. Layout Land
   Jen Simmons video series about the new CSS Layout possibilities.

3. Laying Out The Future With Grid And Flexbox
   Introduction of a new layout system encompassing Flexbox, CSS Grid and the Box Alignment Module.

CLASSIC LAYOUTING

1. Floats
   In depth information about how to use (and clear) floats.

2. Positioning Types
   A closer look at a few little-known things related to the CSS positioning layout method.

3. inline-block
   Shows in which cases it makes sense to use the display property inline-block for layouting.

FLEXBOX

1. A Complete Guide to Flexbox
   All you need to know about Flexbox on one page.

2. Flexbox playground
   Play with Flexbox examples on CodePen.

3. Flexbox Defense
   A tower defense game in the browser to learn about Flexbox with fun.

4. Flexbox Froggy
   Learn all the basics of Flexbox with a fun game involving frogs and lily pads.

5. Flexbugs
   Community-curated list of flexbox issues and cross-browser workarounds for them.

6. Flexbox Zombies
   A training course driven by a storyline where you use Flexbox and a crossbow to hunt zombies.

7. What the Flexbox?
   A simple, free 20 video course that will help you master CSS Flexbox!

GRID

1. A Complete Guide to Grid
   All you need to know about CSS Grid Layout on one page.

2. Grid by Example
   Besides examples of how to use Grid this site also has additional useful learning resources.

3. Designing with Grid
   Talk about the new layout possibilities CSS Grid is offering.

4. Grid Garden
   Lovely game where you write CSS code to grow your carrot garden.

5. GridBugs
   Community-curated list of Grid interop issues and workarounds for them.

6. Grid Critters
   Learn CSS grid layout by mastering an adventure game.

ANIMATION

1. CSS Transitions and Transforms for Beginners
   An introduction to to CSS transitions and CSS (2D) transforms.

2. All you need to know about CSS Transitions
   Also addressing advanced topics from chaining and events to hardware acceleration and animation functions.

3. CSS 3D transforms
   Multi page tutorial with examples like card flip and carousel effects.

4. CSS Animation for Beginners
   Imparts the concepts of CSS animations with keyframes.

5. animatable
   Nice little page demonstrating which CSS properties are animatable.

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