html, body {
  margin: 0;
}

html {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  height: 100%;
}

body {
  overflow: hidden;
  height: inherit;
}

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