CSS3 橡皮筋效果

我不知道该说什么，只是在这一秒突然很想更新。
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>CSS3-橡皮筋-效果</title>
<style>
    .element{
      color: #f35626;
      background-image: -webkit-linear-gradient(92deg,#f35626,#feab3a);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      -webkit-animation: hue 60s infinite linear;
      margin-bottom: 1.5rem;
      font-size: 3rem;
      font-weight: 100;
      line-height: 1;
      letter-spacing: -.05em;
    }
    .animated {
      -webkit-animation-duration: 3s;
      animation-duration: 3s;
      -webkit-animation-fill-mode: both;
      animation-fill-mode: both;
    }
@-webkit-keyframes rubberBand {
  from {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }

  30% {
    -webkit-transform: scale3d(1.25, 0.75, 1);
    transform: scale3d(1.25, 0.75, 1);
  }

  40% {
    -webkit-transform: scale3d(0.75, 1.25, 1);
    transform: scale3d(0.75, 1.25, 1);
  }

  50% {
    -webkit-transform: scale3d(1.15, 0.85, 1);
    transform: scale3d(1.15, 0.85, 1);
  }

  65% {
    -webkit-transform: scale3d(.95, 1.05, 1);
    transform: scale3d(.95, 1.05, 1);
  }

  75% {
    -webkit-transform: scale3d(1.05, .95, 1);
    transform: scale3d(1.05, .95, 1);
  }

  to {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }
}

@keyframes rubberBand {
  from {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }

  30% {
    -webkit-transform: scale3d(1.25, 0.75, 1);
    transform: scale3d(1.25, 0.75, 1);
  }

  40% {
    -webkit-transform: scale3d(0.75, 1.25, 1);
    transform: scale3d(0.75, 1.25, 1);
  }

  50% {
    -webkit-transform: scale3d(1.15, 0.85, 1);
    transform: scale3d(1.15, 0.85, 1);
  }

  65% {
    -webkit-transform: scale3d(.95, 1.05, 1);
    transform: scale3d(.95, 1.05, 1);
  }

  75% {
    -webkit-transform: scale3d(1.05, .95, 1);
    transform: scale3d(1.05, .95, 1);
  }

  to {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }
}

.rubberBand {
  -webkit-animation-name: rubberBand;
  animation-name: rubberBand;
}
</style>
</head>
<body>
    <div class="element animated rubberBand">rubberBand</div>
</body>
</html>
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