body {
  margin: 0;
  background-color: #1c222e;
}

#planet {
  position: relative;
  width: 100%;
  height: 100vh;
  background-image: url("./icon.png");
  background-repeat: no-repeat;
  background-position: center;
  background-position: 50% 50%;
  background-size: 200px 200px;
}