BODY BACKGROUND-- REPEATED (TILED) IMAGE
body
{
background-image:url('url goes here');
background-repeat: repeat;
}
BODY BACKGROUND -- FULL PAGE IMAGE TO FILL SCREEN
(Note: Large images, ca. 1000px height/width, work best if clarity is desired,
but sometimes a small image, blown up to fill the entire page area, can produce
an interesting background texture.)
body
{
background: url('image url goes here') no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}