body {
  margin: 0;
  padding: 0px;
  text-align: center;
  background-color: #000000;
}

div.center
{
  width: 1024px;
  height: 768px;
  margin: 0 auto;
  text-align: left;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -512px;
  margin-top: -384px;
}