If you want to use these new elements but are afraid of them not working there is a simple plug-in that will add these elements to old versions of CSS. I have viewed my new pages in an older browser only to find that the new elements are completely ignored, leaving my content without style!
Here is a temporary solution until the world catches up with us:
The example given has an lte IE9 hack on it but you can use this code for all of the older browsers. I have tested it and it works as advertised.
So go forth and code without fear of disgraceful degredation.
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