CSS3 is probably the hottest trend in web design right now, allowing developers the opportunity to implement a number of solutions into their projects with some very straightforward CSS while avoiding having to resort to nonsemantic markup, extra images, and complex JavaScript. Unfortunately, it’s not a surprise that Internet Explorer, even in its most recent version, still does not support the majority of the properties and features introduced in CSS3.
Experienced developers understand that CSS3 can be added to new projects with progressive enhancement in mind. This ensures that content is accessible while non-supportive browsers fall back to a less-enhanced experience for the user.

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