A List Apart, the premier site to read articles about web design and best practices, has a collection of articles on the topic of CSS dating back to 1999. Most articles are geared towards intermediate to advanced developers who put a strong emphasize on standards-compliant designs.
CSS Help Pile is an aggregate of CSS resources, tips, and how-to’s. The site is well-organized and a wonderful resource for any level of expertise. There’s a category for beginners, browser bugs, and short reviews of CSS books.
3. CSS Basics
CSS Basics is formatted like a book with 18 chapters dedicated to educating readers about fundamental CSS concepts. The writing is clear and succinct – making it a great resource for those just starting out. All 18 chapters can be printed or downloaded in PDF format.
Holy CSS Zeldman (not a site by Jeffrey Zeldman) is a useful collection of resources that link to standards-based CSS tutorials, tools, and layouts.
Those just getting their hands around authoring CSS code will quickly realize that a significant chunk of time (and frustration) stems from getting rid of browser bugs. Position Is Everything discusses known browser bugs and shares CSS methods that work across browsers. Here, you can read about the one true layout or learn what happens when you nest absolutely-positioned div’s.
Positioning elements using CSS can be a tricky concept at first. If you’re having a hard time understanding the fundamentals of CSS positioning, check out this 10-step tutorial to get you positioning stuff in no time!
W3CSchools has a CSS section that covers the very basics of CSS up to more advanced topics.
12. css Zen Garden
css Zen Garden is a showcase of the things you can do CSS. Most importantly, it highlights the concept of separating content from presentation. Using the same HTML file, designers submit external stylesheets to style the HTML file. I suggest using the Web Developer Tool to inspect how the layouts work and what styles affect certain elements of the page.
13. CSS at MaxDesign
At MaxDesign, you can find Russ Weakley’s brilliant set of CSS-related tutorials. Some things to expect here are: Listmatic – which shows you a variety of ways you can use CSS to style lists, and Floatutorial – which goes through the fundamentals of floating elements.
CSSEasy.com’s slogan is “learn CSS the modern way”. The site promotes learning by experience, with the idea that if you inspect the source code and see how things fit together as a whole, you’ll gain a better understanding of CSS. The Web Developer Tool will also come in handy on this website.
CSS-Discuss is a community of CSS enthusiasts. The CSS-Discuss Wiki is a comprehensive collection of real-world usage of CSS.
Ben Hunt’s Web Design from Scratch has an excellent section on CSS that covers basic concepts about CSS. I highly recommend beginners start off with Introduction to CSS, a quick but very informative starting point to getting your hands dirty with CSS.
CSS-Tricks is a blog dedicated to the topic of CSS. You’ll find helpful posts such as what CSS Sprites are (in a nut shell), techniques for image replacements, and even screencasts on topics like conditional stylesheets.
The CSS tag on Delicious is a great way to find popular links that relate to CSS. It allows you to see what people are currently reading.
SitePoint has a CSS reference section that discusses introductory level CSS topics. You can get a crash course on general CSS syntax and nomenclature onto slightly more advanced topics such as CSS hacks and filters.