Like a Read It Later for CSS geeks. Curated. So you don't have to.

In CSS

Source: http://www.markboulton.co.uk/journal/comments/rethinking-css-grids

In CSS

Source: http://www.lukew.com/ff/entry.asp?1379

at An Event Apart in Minneapolis MN, Nicole Sullivan walked through common CSS best practices that have outlived their usefulness and what we can do instead to improve CSS performance and maintenance long term

Source: http://twitter.github.com/bootstrap/

Bootstrap is a toolkit from Twitter designed to kickstart development of webapps and sites. It includes base CSS and HTML for typography, forms, buttons, tables, grids, navigation, and more.

Nerd alert: Bootstrap is built with Less and was designed to work out of the gate with modern browsers in mind.

In CSS

Source: http://animatable.com/

A first look at Animatable from Andy Clarke on Vimeo.

This looks interesting.

In CSS

Source: http://perishablepress.com/css-code-folding/

The basic idea behind folding CSS code is to take advantage of its extremely flexible syntax. Manipulating the presentation of code enables designers to bring rich visual context to their stylesheets. Expanding, branching, and folding CSS in logical, useful ways improves the usability of the code itself.

Thoughtful post on code layout.

In HTML

Source: http://developers.whatwg.org/
Via: http://speckyboy.com/

This HTML5 specification is like no other—It has been processed with you, the humble web developer, in mind.
The focus of this specification is readability and ease of access. Unlike the full HTML specification, this “web developer edition” removes information that only browser vendors need know.

Source: http://jamescryer.github.com/grumble.js/
via: webresourcesdepot

A grumble can be rotated around a given element at any angle, all 360 degrees. Any distance can be specified. Any CSS style can be applied. There’s auto-magic size adjustment for use with localised text. FX queues for animating multiple grumbles. And it works in IE6+, and modern browsers.

Cute tooltip bubble.