background

background: background-color background-image background-repeat background-position / background-size

div
  { 
  background: #00FF00 url(bgimage.gif) no-repeat 0 0 / 100% 100%;

 background: #00FF00 url(bgimage.gif) no-repeat center top / 100% auto;

 background: #00FF00 url(bgimage.gif) no-repeat 0 0 / auto 50%;

}