/*body{ background: #2d5f91 bottom right url(bg.png) fixed no-repeat;}*/
body{ background: #2d5f91 bottom right url(http://dl.dropbox.com/u/21489015/bg.png) fixed no-repeat;}
.centered {
  position: fixed;
  top: 50%;
  left: 50%;
  margin-top: -300px;
  margin-left: -400px;
}