Noupe has a great article on some of the most-wanted CSS3 techniques, and how you can replicate them in most browsers using jQuery. These techniques include:
- Rounded Corners (border-radius)
- Border Image (border-image)
- Multiple Backgrounds
- Drop Shadows (box-shadow and text-shadow)
- Alpha Transparency (opacity)
5 CSS3 Techniques For Major Browsers using the Power of jQuery