body {
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
  background-color: #897;
 /* background: #ccc url(./w.png) center center no-repeat; */
}
#container {
width:900px;height:633px; background-color:black; border:3px solid white;
margin:0 auto; margin-top:3%}