background image css

background-image: url("image.png");
background-position: center;
background-repeat: no-repeat;
background-size: cover;body {
 background-image: url("paper.gif");
 background-color: #cccccc;
}body {

 background-image: url("paper.gif");

 background-color: #cccccc;

} 
 .selector {
  background-image: url(image.png);
}background-image: url("image.gif");html,body {
  background-image: url("your.picture");
}