html,body {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: black;
  overflow: hidden;
}

div#logo {
  height: 100%;
  margin: 0;
  text-align: center;
}

div#logo img {
  height: 100%;
  width: 100%;
  object-fit: contain;
}