CSS3 Solutions for Internet Explorer - Smashing Magazine. Advertisement 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. But developers could face a situation where a client insists that the enhancements work cross-browser, demanding support even for IE6. Modernizr. CSS3.com: CSS reference guide, and blog.