How can the awesome SO calendar widget be made to work in IE?

There is, what I think is one of the best uses of CSS over images (the calendar icon) located at: http://chat.meta.stackoverflow.com/chats/transcripts/139?offset=120

But it doesn't work in IE8. Is it possible to convert this to work with IE?

I suppose we could use this jQuery code at: http://www.methvin.com/jquery/jq-corner-demo.html

I guess to summariz开发者_开发问答e, there's no equivalent in IE of the -moz-border-radius property, eh?

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You could look into PIE, it claims to bring CSS3 to the IEs:

CSS Level 3 brings with it some incredibly powerful styling features. Rounded corners, soft drop shadows, gradient fills, and so on. These are the kinds of elements our designer friends love to use because they make for attractive sites, but are difficult and time-consuming to implement, involving complex sprite images, extra non-semantic markup, large JavaScript libraries, and other lovely hacks.

CSS3 promises to do away with all that! But as we all know, due to Internet Explorer’s lack of support for any of these features, we must be patient and refrain from using them, and make do with the same old tedious techniques for the foreseeable future.

Or must we?

I'm looking at using it when it's time for my impending IE bugfix marathon.

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Microsoft provides a list of links for Rounded Corners Solutions. The links includes great solutions for ie (not so great as border-radius of css3). I am sure you will find something for your needs.