CSS is a crazy person, it belongs in a dungeon.
👍 ITCSS - settings, tools, generic, base, objects, components, trumps
Styleguide Driven Development - a practice that encourages the separation of UX, Design & Frontend from Backend concerns
Naming CSS Stuff is Really Hard - CSS naming conventions
Dangers of Inheritance - CSS Inheritance and Our Misuse of the Cascade
CSS Guidelines - High-level advice and guidelines for writing sane, manageable, scalable CSS (I don't agree with many of these)
multiple classes vs @extend - multiple classes is ok, but restrict yourself to a single modifier class and a single state class or state data attribute per element
👍 CSS and #noparents - Independence is important.
👍 Stop the cascade - The value of isolation.
👍 Scope CSS classes with prefixes - Better than chaining.
CSS property order - Easily visualize an element by it's markup.
Write less Less - Nesting is a slippery slope.
The problem with nesting CSS with Less or Sass - "CSS is most effective when it is just specific enough, but doesn't overdo it."
An update on Less.js & nesting your CSS - Use LESS's & selector.
GitHub's CSS - how github does their css.
12 Common CSS Mistakes - some important stuff
css3 matricies - very well done explanation of css matrix transforms
👍 CSS Triggers... - great reference for explaining selectors and their effects, like layout/paint/composite.
👍 CSS Almanac - best place to find info about css selectors and properties
WTF, HTML and CSS? - "A curated list of commonly frustrating HTML and CSS quandries, miscues, and dilemmas."
👍 Easy-to-Forget Selectors - body > p h1 + p h1 ~ pre
Code Guide by @mdo - "Standards for developing flexible, durable, and sustainable HTML and CSS."
necolas/idomatic-css - "Princicples of writing consistent, idomatic CSS."
github.com/styleguide - GitHub's code styling guides for CSS, JavaScript and Ruby.
CSS commenting strategy - A suggestion for commenting CSS files.
Bootstrap 3 Less Workflow - Use bootstrap in your project and customize extensively.
Bootstrap Customization Best Practices - Another explanation of how to use Bootstrap without precluding the project from updates.
Bootstrap sub-theming - "You will not need to touch these files again. This allows the framework to be updated in the future."
Bootstrap 3 tip and tricks - examples of patterns
Understanding the Bootstrap 3 Grid System - answers some questions about heirarchy of rows and columns