data/train/codepen-AKOQrA-LEGyrJ/full.html

<!DOCTYPE html>
<html>
<head>
  <style>.spinner {
  width: 60px;
  height: 60px;
  margin: 60px;
  animation: rotate 1.4s infinite ease-in-out, background 1.4s infinite ease-in-out alternate;
}

@keyframes rotate {
  0% {
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
  }
  50% {
    transform: perspective(120px) rotateX(-180deg) rotateY(0deg);
  }
  100% {
    transform: perspective(120px) rotateX(-180deg) rotateY(-180deg);
  }
}
@keyframes background {
  0% {
  background-color: #27ae60;
  }
  50% {
    background-color: #9b59b6;
  }
  100% {
    background-color: #c0392b;
  }
}</style>
</head>
<body>
  <div class="spinner"></div>
  <script></script>
</body>
</html>