How to use CSS3 in Internet Explorer
Although in a standard situation CSS3 is not supported by Internet Explorer there are several ways to enable various CSS3 functions and features for IE9 (and lower) use. One of the preferred solutions is to make use of CSS3 PIE. PIE, the abbreviation for ‘Progressive Internet Explorer’, is the ideal way for developers to correctly display CSS3 elements in older Internet Explorer versions. Feel free to Google CSS3 PIE and you will immediately see the official CSS3 PIE website where you can find all information about CSS3 PIE.