Best Resources for CSS
This is a list of the best online resources for CSS. It will show you the best places to discover compatibility and uses for CSS styles.
All resources are reputable and are easy to navigate. They will provide accurate information that is almost always up to date. These sites all strive to provide the best resources for web developers of all levels and are continuously improving as the standards for the web continue to evolve.
Mozilla Develeper Network
Run by the mozilla foundation, this site has some of the best and most complete information on all the CSS styles and their compatibility with all browsers. It also has an extensive collection of examples and how the styles are used. It is continuously updated and Mozilla works very hard to maintain it's accuracy.
This is a growing site built by the community of web developers to document all CSS styles and their compatibility. They have weekly drives to get content up to date and are working very hard to make sure that information is being added as quickly as possible. They have had donations from large corporations like Microsoft and Mozilla to seed their information and get it going as smoothly as possible.
While not associated with W3C (The worldwide web consortium) this site is a must have resource in any web developers toolbox. With a nearly comprehensive list of CSS styles, they are a great way to look up it's use. They also have examples that can be customized in real time to see how the different styles react to the various options.
While this site does not have a comprehensive list of all the styles, he maintains compatibility charts for most browsers going back to IE6 and mobile browsers. This is very useful when trying to figure out why your website doesn't look quite right. He is constantly testing the styles and updating his charts to maintain as real time a picture of compatibility as is possible.
When all else fails, go to the source. The W3 maintains the standards that drive all CSS styles and is what all browsers should be striving to achieve. When trying to determine the correct behavior for a style, this is the definitive place to find your answer. They keep all current standards as well as the draft specs for HTML5 and upcoming CSS styles.
This is a brief list of some of the best sites available to find compatibility and uses for CSS styles. The MDN is a top notch resource that is very easy to use and very reobust in it's charts and examples. All these sites work tirelessly to maintain the best information that is available and will continue to update as the HTML standards evolve and grow to support all the new websites that you want to build.