body {
  color: black;
  font-family: Lucida Console, Lucida Sans Typewriter, monaco, Bitstream Vera Sans Mono, monospace;
  background-image: url(/background.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: center center;
  }

img {
  position: absolute;
  top:50%;
  left:50%;
  max-width: 70%;
  transform:translate(-50%, -50%);
  object-fit: cover;
  }