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

<!DOCTYPE html>
<html>
<head>
  <style>body {
  text-align: center;
  padding: 50px;
}

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

.circles:not(:required) {
  position: relative;
  text-indent: -9999px;
  display: inline-block;
  width: 25px;
  height: 25px;
  background: rgba(255, 204, 51, 0.9);
  border-radius: 100%;
  -webkit-animation: circles 3s infinite ease-in-out;
  -moz-animation: circles 3s infinite ease-in-out;
  -ms-animation: circles 3s infinite ease-in-out;
  -o-animation: circles 3s infinite ease-in-out;
  animation: circles 3s infinite ease-in-out;
  -webkit-transform-origin: 50% 100%;
  -moz-transform-origin: 50% 100%;
  -ms-transform-origin: 50% 100%;
  -o-transform-origin: 50% 100%;
  transform-origin: 50% 100%;
}

.circles:not(:required)::before {
  background: rgba(255, 102, 0, 0.6);
  border-radius: 100%;
  content: '';
  position: absolute;
  width: 25px;
  height: 25px;
  top: 12.5px;
  left: -10.825317547305486px;
}

.circles:not(:required)::after {
  background: rgba(255, 51, 0, 0.4);
  border-radius: 100%;
  content: '';
  position: absolute;
  width: 25px;
  height: 25px;
  top: 12.5px;
  left: 10.825317547305486px;
}

@-webkit-keyframes circles {
  0% {
    -webkit-transform: rotateZ(-720deg);
    -moz-transform: rotateZ(-720deg);
    -ms-transform: rotateZ(-720deg);
    -o-transform: rotateZ(-720deg);
    transform: rotateZ(-720deg);
  }
  50% {
    -webkit-transform: rotateZ(720deg);
    -moz-transform: rotateZ(720deg);
    -ms-transform: rotateZ(720deg);
    -o-transform: rotateZ(720deg);
    transform: rotateZ(720deg);
  }
}

@-moz-keyframes circles {
  0% {
    -webkit-transform: rotateZ(-720deg);
    -moz-transform: rotateZ(-720deg);
    -ms-transform: rotateZ(-720deg);
    -o-transform: rotateZ(-720deg);
    transform: rotateZ(-720deg);
  }
  50% {
    -webkit-transform: rotateZ(720deg);
    -moz-transform: rotateZ(720deg);
    -ms-transform: rotateZ(720deg);
    -o-transform: rotateZ(720deg);
    transform: rotateZ(720deg);
  }
}

@-o-keyframes circles {
  0% {
    -webkit-transform: rotateZ(-720deg);
    -moz-transform: rotateZ(-720deg);
    -ms-transform: rotateZ(-720deg);
    -o-transform: rotateZ(-720deg);
    transform: rotateZ(-720deg);
  }
  50% {
    -webkit-transform: rotateZ(720deg);
    -moz-transform: rotateZ(720deg);
    -ms-transform: rotateZ(720deg);
    -o-transform: rotateZ(720deg);
    transform: rotateZ(720deg);
  }
}

@keyframes circles {
  0% {
    -webkit-transform: rotateZ(-720deg);
    -moz-transform: rotateZ(-720deg);
    -ms-transform: rotateZ(-720deg);
    -o-transform: rotateZ(-720deg);
    transform: rotateZ(-720deg);
  }
  50% {
    -webkit-transform: rotateZ(720deg);
    -moz-transform: rotateZ(720deg);
    -ms-transform: rotateZ(720deg);
    -o-transform: rotateZ(720deg);
    transform: rotateZ(720deg);
  }
}</style>
</head>
<body>
  <span class="circles">Loading...</span>
  <script></script>
</body>
</html>