Ultimately, yes, but the standard hasn't been ratified yet. Prefixes are an important part of the process that moves CSS forward. It gives browser developers an

Ultimately, yes, but the standard hasn't been ratified yet. Prefixes are an important part of the process that moves CSS forward. It gives browser developers an opportunity to show their stuff without breaking the non-prefixed declaration. This means that your prefixed code can continue to work, even after the standard has been ratified. This isn't a perfect solution, but it's far better than browser sniffing because it's explicit and easy to find/replace once standards exist. Eric Meyer breaks it down very well: http://www.alistapart.com/articles/prefix-or-posthack/ http://www.alistapart.com/articles/prefix-or-posthack/