body, html {
  margin:0;
  height:100%;
  background: #000e2b;

  background-size: 100% 100%;
}

img {
  image-rendering: auto;
  image-rendering: crisp-edges;
  image-rendering: pixelated;

  /* Safari seems to support, but seems deprecated and does the same thing as the others. */
  image-rendering: -webkit-optimize-contrast;
}

.center {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}