html {
  background: url(assets/space.gif) no-repeat center fixed;
  background-color: black;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

canvas {
    border-radius: 50%;
    position: relative;
    right: -33.5%;
    margin-top: 9.2%;
}

#logo {
    position: fixed;
    top: 0;
    left: 0;
    width: 275px;
    height: 120px;
    margin: 5px;
}

#sat {
    width: 25px;
    height: 15.25px;
    position: fixed;
    top: 73%;
    left: 65%;
    z-index: 2;
}

#planet {
    width: 200px;
    height: 200px;
    position: fixed;
    top: 65%;
    left: 55%;
    z-index: 1
}

#moon {
    width: 50px;
    height: 50px;
    position: fixed;
    right: 25%;
    top: 80%;
}