Basic box shadow Show archive.org snapshot support is available in all browsers today, but you need to check to which extend they are supported. Implementations differ:

• Are multiple box shadows (separated by comma) possible?
• Are inset shadows possible?
• Can the spread radius be defined?
• Can you use it without vendor prefix?

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Read more Show archive.org snapshot

A good compatibility chart can be found here Show archive.org snapshot . The gist is that, except for IE and some Safaris, you can use all features today without vendor prefixes.

Support of all features is guaranteed in:

• Firefox 4.0
• Chrome 10.0
• Internet Explorer 9.0
• Opera 10.5
• Safari 5.1