body {
  margin: 0;
  color-scheme: dark;
  background: black;
  color: white;
  display: grid;
  justify-content: center;
}

@keyframes turn {
  from {
    transform: rotate(0deg);
  }

  to {
  transform: rotate(360deg);
  }
}

svg {
  width: 100svw;
  max-height: 100svh;
}

#inner {
  animation: turn 60s infinite linear;
}
#outer {
  animation: turn 60s infinite reverse linear;
}