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

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

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

.timer:not(:required) {
  border: 6px solid #c8d;
  border-radius: 24px;
  box-sizing: border-box;
  display: inline-block;
  overflow: hidden;
  position: relative;
  text-indent: -9999px;
  width: 48px;
  height: 48px;
}

.timer:not(:required)::before {
  -webkit-animation: timer 1250ms infinite linear;
  -moz-animation: timer 1250ms infinite linear;
  -ms-animation: timer 1250ms infinite linear;
  -o-animation: timer 1250ms infinite linear;
  animation: timer 1250ms infinite linear;
  -webkit-transform-origin: 3px 3px;
  -moz-transform-origin: 3px 3px;
  -ms-transform-origin: 3px 3px;
  -o-transform-origin: 3px 3px;
  transform-origin: 3px 3px;
  background: #c8d;
  border-radius: 3px;
  content: '';
  display: block;
  position: absolute;
  width: 6px;
  height: 19.2px;
  left: 15px;
  top: 15px;
}

.timer:not(:required)::after {
  -webkit-animation: timer 15000ms infinite linear;
  -moz-animation: timer 15000ms infinite linear;
  -ms-animation: timer 15000ms infinite linear;
  -o-animation: timer 15000ms infinite linear;
  animation: timer 15000ms infinite linear;
  -webkit-transform-origin: 3px 3px;
  -moz-transform-origin: 3px 3px;
  -ms-transform-origin: 3px 3px;
  -o-transform-origin: 3px 3px;
  transform-origin: 3px 3px;
  background: #c8d;
  border-radius: 3px;
  content: '';
  display: block;
  position: absolute;
  width: 6px;
  height: 16px;
  left: 15px;
  top: 15px;
}

@-webkit-keyframes timer {
  0% {
    -webkit-transform: rotateZ(0deg);
            transform: rotateZ(0deg);
  }
  100% {
    -webkit-transform: rotateZ(360deg);
            transform: rotateZ(360deg);
  }
}
@-moz-keyframes timer {
  0% {
    -moz-transform: rotateZ(0deg);
         transform: rotateZ(0deg);
  }
  100% {
    -moz-transform: rotateZ(360deg);
         transform: rotateZ(360deg);
  }
}
@-o-keyframes timer {
  0% {
    -o-transform: rotateZ(0deg);
       transform: rotateZ(0deg);
  }
  100% {
    -o-transform: rotateZ(360deg);
       transform: rotateZ(360deg);
  }
}
@keyframes timer {
  0% {
    -webkit-transform: rotateZ(0deg);
       -moz-transform: rotateZ(0deg);
        -ms-transform: rotateZ(0deg);
         -o-transform: rotateZ(0deg);
            transform: rotateZ(0deg);
  }
  100% {
    -webkit-transform: rotateZ(360deg);
       -moz-transform: rotateZ(360deg);
        -ms-transform: rotateZ(360deg);
         -o-transform: rotateZ(360deg);
            transform: rotateZ(360deg);
  }
}</style>
</head>
<body>
  <span class="timer">Loading...</span>
  <script></script>
</body>
</html>