A new website helps web developers decipher the often confusing world of HTML5 and CSS 3. Which elements are ready to use? Which are still not widely supported? And where can you find polyfills ...

Tony Patton focuses on CSS fundamentals and explains how multiple rules for the same element are handled. Multiple rules ensure that there will be no surprises for either you or the user community.

If you’d like to know exactly where Internet Explorer 9 stands on support for emerging web standards in its current beta release form, Microsoft has put together a comprehensive list of all the ...