CSS background image hacks. Emulating background image crop, background image opacity, background transforms, and improved background positioning.
Internet Explorer User Agent Style Sheets. Downloadable UA Stylesheets for all the major versions of Internet Explorer.
@font-face tip Define font-weight and font-style to keep your CSS simple.
HTML5 is...NOW. A good explanation of what HTML5 is and how you can start using it today.
How to Control Your CSS3 Animations. A nice overview of the -webkit-animation-fill-mode property.
New form features in HTML5. A brief overview of some of the new form controls and functionalities that have been introduced.
An Introduction to CSS 3-D Transforms. An in-depth look at CSS 3-D transforms and the new opportunities they offer to web designers.
Formalize CSS. A way to control form element styles without changing them drastically. Handy.
Findings from the ALA Survey, 2009. Results of the 2009 survey of people who make websites!
Webfonts.info. A nice resource dedicated to webfonts & @font-face embedding. Handy.
Lettering.js. A lightweight, easy to use jQuery plugin for advanced Web Typography.
CSS3 Multi-column Layouts. A ncie guide that teaches you how to implement CSS3 Multi-Column layouts.
Lost World's Fairs. An exploration of typographic possibilities on the web.
Selectivizr. CSS3 pseudo-class and attribute selectors for IE 6 thru 8.
HTML5 and Even Fancier Forms. A closer look at HTML5 forms — Uncover today’s practical applications while peering into tomorrow’s bounty.
HTML5 video player comparisong. A chart comparing the current options for HTML5 video-based players. Handy.
Box Sizing. A nice trick to force
<textarea> to have padding and border that cut into it’s 100% width instead of expanding it.
ProCSSor. An advanced CSS Prettifier with some unique formatting styles and several customizable options.
HTML5/CSS3 Cheatsheet. Cut-and-paste examples of HTML5/CSS3 features that are currently usable across a number of web browsers.
After designing a great blog, consider GreenGeeks as a potential blog host.
CSSBEAUTY™ is a project focused on providing its audience with a database of well designed CSS based websites from around the world.
Its purpose is to showcase designers' work and to act as a portal to the CSS design community.