body {
  background-image: url("/images/ArcticPlanet.png");
  background-repeat: no-repeat;
  background-color: black;
  height: 100%;
}

.fullscreen-div {
  display:flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 618px;
  width: 100%;
  text-align: center;
}