One of the most common CSS effects is using shadows in various ways. Before, we needed to resort to images, but now we can offer this to all major web browser with CSS!
Web Browser Support
Believe me or not, but all of these web browsers we can offer shadows with CSS:
Internet Explorer 5.5
The Standards Way
As we all know, a majority of the web browsers implement features in a standardized way, while others don’t (although they are getting better at it). Previously, in the W3C specification CSS Backgrounds and Borders Module Level 3 box-shadow was described, although at the moment, it’s not in there for some things to be discussed further. Anyway, this is how the implementation looks: