html {
  width:100%;
  height:100%;
  // background:url(/images/b530.jpg) center center no-repeat #ddd;
  // background-size: 100%;
  background:url(/images/sitrox_b530.jpg) center center no-repeat #ddd;
}

body {
  width:100%;
  height:100%;
  overflow:hidden;
  background:url(/images/powered-by-sitrox-black.png) 20px 20px no-repeat transparent;
}