@rtretheweyJun 20.2012 — #The primary issue with CSS gradient images is that Internet Explorer does not have direct support for them. IE has limited gradient capabilities through their filter: system. So if you want a simple two-color linear gradient, you can do in CSS with wide support. For anything more complex, I'd recommend creating a background image in your graphics program.
@Major_PayneJun 21.2012 — #Try a good CSS gradient generator tool. Find a gradient image you like and it writes the CSS code for you. If you don't like that tool, just make a gradient image for your site: