CSS3 Click Chart | CSS3 Browser Support and Information

Canvas Backgrounds

Allows an image drawn via the Canvas API to be inserted as a background image value in your stylesheet.

* Not in the spec (?)

.element {
    background: -webkit-canvas(mycanvas);
    background: -moz-element(mycanvas);
}

Firefox 4+, Chrome 4+, Safari 4+

Note: Gecko and WebKit currently use different syntax