body {
  background: black;
  margin: 0;
  padding: 0;
  height: 200vmin;
}

.object {
  border-radius: 50%;
  position: absolute;
  margin: auto;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transform: translateY(50vmin);
}

.p-orbit,
#m-orbit {
  border: 0.1vmin solid lightgrey;
  opacity: 0.5;
  background: transparent;
}

#belt {
  height: 97vmin;
  width: 97vmin;
  animation: spin 50s infinite linear;
  margin-top: 50vmin;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

#m-orbit {
  height: 8vmin;
  width: 8vmin;
}

.planet,
#moon {
  z-index: 100;
}

#sun {
  height: 12vmin;
  width: 12vmin;
}

#moon {
  height: 1vmin;
  width: 1vmin;
  background-color: white;
}

#mercury {
  height: 2vmin;
  width: 2vmin;
}

#venus {
  height: 3vmin;
  width: 3vmin;
}

#earth {
  height: 4vmin;
  width: 4vmin;
}

#mars {
  height: 3.5vmin;
  width: 3.5vmin;
}

#jupiter {
  height: 12vmin;
  width: 12vmin;
}

#saturn {
  height: 12vmin;
  width: 12vmin;
  border-radius: 0%;
}

#uranus {
  height: 5vmin;
  width: 5vmin;
}

#neptune {
  height: 4vmin;
  width: 4vmin;
}