data/train/codepen-ABLpdn-WvpedW/full.html

<!DOCTYPE html>
<html>
<head>
  <style>@keyframes paper-loader {
  0% {
    box-shadow:
      0 0 #7ca1b3,
      0 0 #7ca1b3,
      0 0 #7ca1b3,
      0 0 #7ca1b3,
      0 0 #7ca1b3,
      0 0 #7ca1b3,
      0 0 #7ca1b3,
      0 0 #7ca1b3;
    transform-origin: 50% 50%;
    transform: scale(1,1) rotate(0deg);
  }
  36% {
    box-shadow:
      30px 0 #b6daf2,
      30px 0 #7ca1b3,
      30px 0 #7ca1b3,
      30px 0 #7ca1b3,
      30px 0 #7ca1b3,
      30px 0 #7ca1b3,
      30px 0 #7ca1b3,
      30px 0 #7ca1b3;
    transform-origin: 75% 75%;
    transform: scale(0.8333333333,0.8333333333) rotate(-90deg);
  }
  72% {
    box-shadow:
      30px 0 #b6daf2,
      30px 30px #b6daf2,
      30px 30px #7ca1b3,
      30px 30px #7ca1b3,
      30px 30px #7ca1b3,
      30px 30px #7ca1b3,
      30px 30px #7ca1b3,
      30px 30px #7ca1b3;
    transform: scale(0.6666666667,0.6666666667) rotate(-180deg);
    transform-origin: 70% 80%;
  }
  100% {
    box-shadow:
      30px 0 #b6daf2,
      30px 30px #b6daf2,
      0 30px #b6daf2,
      0 30px #7ca1b3,
      0 30px #7ca1b3,
      0 30px #7ca1b3,
      0 30px #7ca1b3,
      0 30px #7ca1b3;
    transform-origin: 80% 40%;
    transform: scale(0.5,0.5) rotate(-270deg);
  }
}

body {
  text-align: center;
  padding: 80px;
  background: white;
}

.paper-loader {
  font-family: sans-serif;
  font-weight: 100;
}

.paper-loader:not(:required) {
  display: inline-block;
  background: #b6daf2;
  width: 30px;
  height: 30px;
  overflow: hidden;
  text-indent: 30px;
  animation: paper-loader 2500ms infinite linear;
}</style>
</head>
<body>
  <span class="paper-loader">Loading…</span>
  <script></script>
</body>
</html>