CSS3 support in Internet Explorer 6, 7, and 8
What is it?IE-CSS3 is a script to provide Internet Explorer support for several of the popular new styles available in the upcoming CSS3 standard.
How it worksIf you’re viewing this page in Internet Explorer, some of the elements have been rebuilt by the script in Vector Markup Language (VML), an IE-specific vector drawing language. VML supports things that are missing from IE’s CSS implementation like rounded corners and blur effects.
