html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

.container {
  /*background: url(/img/wallpapers/zen.jpg) no-repeat scroll center center / 100% 100% rgba(0, 0, 0, 0);*/
  background-color: #f8f8f8;
  width: 100%;
  height: 100%;
}