[CSS] Faux Gradient using an Image and CSS

gistfile1.css

From: http://webdesign.tutsplus.com/tutorials/visuals/quick-tip-using-images-as-fullscreen-faux-gradient-backgrounds/
1. Use a 300x300 img
2. Apply a gaussian blur with a radious of 40 or more
3. Apply the CSS

body{
    margin: 0;
    background: url('img/bg.jpg');
    background-size: 100% 100%;
    background-attachment: fixed;
}

body {
    background-image: url("img/imgname.png");
    background-attachment: fixed;
}

body {
    background-image: url("image1.png"), url("image2.png");
    background-attachment: scroll, fixed;
}