CSS3 Background Size

CSS3 Background Size specifies the size of the background images.

#bgsize {
    background: url(images.jpg) center center no-repeat;
    -webkit-background-size: 100% 100%; /* WebKit */
    -moz-background-size: 100% 100%; /* Firefox */
    -khtml-background-size: 100% 100%; /* Konquerer */
    background-size: 100% 100%;
}