html {
  height: 100%;
}

body {
  background: black;
  display: flex;
  font-family: 'Trebuchet MS';
  height: 100%;
  justify-content: center;
  margin: 0px
}

div {
  position: relative;
}

img {
  max-height: 100%;
  max-width: 100%;
  height: auto;
  width: auto;
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}