CSS

Just a compiled list of links for working with Cascading Style Sheets (CSS)

Transitions and Animations

CSS: Animation vs. Transition – Stack Overflow
CSS Transitions VS Keyframe Animations | Bryan Braun – Student of Life
Transitions vs Animations – CSS Animation
When animating on the web, do you use a transition or an animation?
CSS3: Animations vs. Transitions | kirupa.com
Know when to use animations or transitions by learning about the similarities and differences between them.
Cagematch: CSS Animations VS Transitions
Animate.css
Intro to CSS 3D transforms
Myth Busting: CSS Animations vs. JavaScript | CSS-Tricks
The following is a guest post by Jack Doyle, author of the GreenSock Animation Platform (GSAP).

Floats

Containing Floats (Complex Spiral Consulting)August 25th, 2003
Clearing a float container without source markupMay 4th, 2004
Simple Clearing of FloatsFebruary 26, 2005
mezzoblue § ClearanceMarch 3rd, 2005
Clearing floats the overflow way – QuirksBlogMarch 8th, 2005
CSS Float Theory: Things You Should Know – Smashing MagazineMay 1st, 2007
The Mystery Of The CSS Float Property – Smashing MagazineOctober 19th, 2009
CSS Floats 101 · An A List Apart ArticleMarch 8th, 2011

Positioning

CSS Positioning 101 · An A List Apart Article
The Definitive Guide to Using Negative Margins – Smashing Magazine
Creating Liquid Layouts with Negative Margins · An A List Apart Article
How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)? – Stack Overflow

Centering things with CSS horizontally and vertically

Centering in CSS: A Complete Guide | CSS-Tricks
Z63 | Vertical align anything with just 3 lines of CSS | zerosixthree
6 Methods For Vertical Centering With CSS – Vanseo Design
Absolute Horizontal And Vertical Centering In CSS – Smashing Magazine
Perfect horizontal *and* vertical centering in CSS, at any width or height!
CSS Vertical Center
Learn how to use CSS to vertically center HTML elements!
CSS: centering things
How to center a picture on a web page using HTML
html – Center image using text-align center? – Stack Overflow
Tips for Aligning Icons to Text | CSS-Tricks

Layout

CSS layout – Learning web development | MDN
Practical CSS Layout Tips, Tricks, & Techniques · An A List Apart Article
Faux Columns · An A List Apart Article
A Complete Guide to Grid | CSS-Tricks
Grid by Example – Usage examples of CSS Grid Layout/dt>
A Complete Guide to Flexbox | CSS-Tricks
CSS3 Flexible Box Layout Explained – Smashing Magazine

Units

Building Resizeable Components with Relative CSS Units | CSS-Tricks
Font Size Idea: px at the Root, rem for Components, em for Text Elements | CSS-Tricks
Back to the :roots
mezzoblue § css Zen Garden Design List
CSS reference – CSS | MDN
CSS Reference
Selectutorial: CSS selectors
Selectors – Web developer guides | MDN
CSS Selectors Reference
CSS display: inline-block: why it rocks, and why it sucks – Robert’s talk
div and span: display = ‘block’, ‘inline’, or ‘inline-block’ ?
CSS Sprites: What They Are, Why They’re Cool, and How To Use Them | CSS-Tricks
This article has been revised and re-written several times since its very first publication in 2007, to keep the information current.
TACHYONS – css Toolkit
Media Query splitting
We’re in an icon-sharpness limbo
2 Even Width Bootstrap Columns