data/test/codepen-AvEZRv-mdzXpap/full.html

<!DOCTYPE html>
<html>
<head>
  <style>body {
  --speed: 2s;
  margin: 0;
  height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    linear-gradient(120deg, #f5f5f5 50%, #ccc);
}

.container {
  width: 70vmin;
  height: 70vmin;
  position: relative;
}

.blade {
  --next-hue-index: calc(var(--index) + 1);
  --hue: calc(240 + 20 * var(--index));
  --next-hue: calc(240 + 20 * var(--next-hue-index));
  position: absolute;
  top: 0;
  left: 50%;
  width: 5%;
  height: 50%;
  border-radius: 0% 100%;
  transform:
    translateX(-50%)
    rotate(calc(72deg * var(--index)))
    translateY(96%);
  transform-origin: bottom center;
  animation:
    spin var(--speed) linear infinite,
    jump var(--speed) infinite,
    shadow
      calc(var(--speed) * 8)
      calc(var(--index) * var(--speed) / 20)
      linear
      infinite;
}

.blade:nth-child(1) {
  --index: 0;
}

.blade:nth-child(2) {
  --index: 1;
}

.blade:nth-child(3) {
  --index: 2;
}

.blade:nth-child(4) {
  --index: 3;
}

.blade:nth-child(5) {
  --index: 4;
  --next-hue-index: 0;
}

@keyframes spin {
  to {
    transform:
      translateX(-50%)
      rotate(calc(72deg * (var(--index) + 1)))
      translateY(96%);
  }
}

@keyframes jump {
  30% {
    transform:
      translateX(-50%)
      rotate(calc(72deg * (var(--index) + 1)))
      translateY(98%);
  }
}

@keyframes shadow {
  33% {
    box-shadow:
      1.5vmin 0 0 -1.2vmin
      hsla(var(--hue), 50%, 50%, 0.25);
  }
  82% {
    box-shadow:
      1.5vmin 0 0 -1.2vmin
      hsla(var(--hue), 50%, 50%, 0.75);
  }
  from, 32%, 34%, 81%, 83%, to {
    box-shadow: none;
  }
}

.blade::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 500%;
  height: 100%;
  border-radius: 100% 30%;
  border-right:
    1px solid hsla(var(--hue), 50%, 50%, 0.5);
  transform: rotate(.15turn);
  opacity: 0;
  animation:
    appear calc(var(--speed) * 2) infinite,
    wire calc(var(--speed) * 4) infinite;
}

@keyframes appear {
  15% {
    opacity: 1;
  }
  30% {
    opacity: 0;
  }
}

@keyframes wire {
  25% {
    transform: scale(1.5) rotate(.75turn);
  }
  50%, 100% {
    transform: scale(1) rotate(.15turn);
  }
  75% {
    transform: scale(2) rotate(1turn);
  }
}

.segment {
  position: absolute;
  width: calc(100% - var(--seg-depth) * 25%);
  height: 62%;
  left: 50%;
  bottom: 100%;
  transform:
    translateX(-50%)
    rotate(calc(16deg * var(--seg-depth)));
  transform-origin: bottom center;
  background: hsl(
    var(--hue),
    calc(50% + 6% * var(--seg-depth)),
    calc(50% - 6% * var(--seg-depth))
  );
  border-radius: 20% 80% / 40% 30%;
  animation:
    hue var(--speed) linear infinite,
    sting var(--speed) infinite;
}

.segment::after,
.segment::before {
  content: "";
  position: absolute;
  width: 36%;
  height: 90%;
  border-radius: 40% 60% / 50% 50%;
}

.segment::after {
  top: 0;
  left: 0;
  background:
    linear-gradient(to bottom, #fff3, transparent);
}

.segment::before {
  bottom: 0;
  right: 0;
  background:
    linear-gradient(to top, #0003, transparent);
}

.segment {
  --seg-depth: 0;
}

.segment > .segment {
  --seg-depth: 1;
}

.segment > .segment > .segment {
  --seg-depth: 2;
}

.segment > .segment > .segment > .segment {
  --seg-depth: 3;
}

@keyframes hue {
  to {
    background: hsl(
      var(--next-hue),
      calc(50% + 6% * var(--seg-depth)),
      calc(50% + 12% * var(--seg-depth))
    );
  }
}

@keyframes sting {
  40% {
    transform:
      translateX(-50%)
      rotate(calc(48deg * var(--seg-depth)))
      scale(1.2, 0.9);
  }
}</style>
</head>
<body>
  <div class="container">
  <div class="blade">
    <div class="segment">
      <div class="segment">
        <div class="segment">
          <div class="segment"></div>
        </div>
      </div>
    </div>
  </div>
  <div class="blade">
    <div class="segment">
      <div class="segment">
        <div class="segment">
          <div class="segment"></div>
        </div>
      </div>
    </div>
  </div>
  <div class="blade">
    <div class="segment">
      <div class="segment">
        <div class="segment">
          <div class="segment"></div>
        </div>
      </div>
    </div>
  </div>
  <div class="blade">
    <div class="segment">
      <div class="segment">
        <div class="segment">
          <div class="segment"></div>
        </div>
      </div>
    </div>
  </div>
  <div class="blade">
    <div class="segment">
      <div class="segment">
        <div class="segment">
          <div class="segment"></div>
        </div>
      </div>
    </div>
  </div>
</div>
  <script></script>
</body>
</html>