CSS3实现3D立方体加载特效

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以下是 CSS3实现3D立方体加载特效的示例演示效果:

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部分效果截图:

HTML代码(index.html):

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>CSS3实现3D立方体加载特效</title>

<style>
body {
  background-color: #dedede;
  font-size: 12px;
}

.base {
  height: 9em;
  left: 50%;
  margin: -7.5em;
  padding: 3em;
  position: absolute;
  top: 50%;
  width: 9em;
  transform: rotateX(45deg) rotateZ(45deg);
  transform-style: preserve-3d;
}

.cube,
.cube:after,
.cube:before {
  content: '';
  float: left;
  height: 3em;
  position: absolute;
  width: 3em;
}

/* Top */
.cube {
  background-color: #05afd1;
  position: relative;
  transform: translateZ(3em);
  transform-style: preserve-3d;
  transition: .25s;
  box-shadow: 13em 13em 1.5em rgba(0, 0, 0, 0.1);
  animation: anim 1s infinite;
}
.cube:after {
  background-color: #049dbc;
  transform: rotateX(-90deg) translateY(3em);
  transform-origin: 100% 100%;
}
.cube:before {
  background-color: #048ca7;
  transform: rotateY(90deg) translateX(3em);
  transform-origin: 100% 0;
}
.cube:nth-child(1) {
  animation-delay: 0.05s;
}
.cube:nth-child(2) {
  animation-delay: 0.1s;
}
.cube:nth-child(3) {
  animation-delay: 0.15s;
}
.cube:nth-child(4) {
  animation-delay: 0.2s;
}
.cube:nth-child(5) {
  animation-delay: 0.25s;
}
.cube:nth-child(6) {
  animation-delay: 0.3s;
}
.cube:nth-child(7) {
  animation-delay: 0.35s;
}
.cube:nth-child(8) {
  animation-delay: 0.4s;
}
.cube:nth-child(9) {
  animation-delay: 0.45s;
}

@keyframes anim {
  50% {
    transform: translateZ(0.5em);
  }
}

</style>

    <script src="js/prefixfree.min.js"></script>

</head>

<body>
<div class='base'>
  <div class='cube'></div>
  <div class='cube'></div>
  <div class='cube'></div>
  <div class='cube'></div>
  <div class='cube'></div>
  <div class='cube'></div>
  <div class='cube'></div>
  <div class='cube'></div>
  <div class='cube'></div>
</div>
</body>
</html>

CSS代码(style.css):

body{background-color:#dedede;font-size:12px;}
.base{height:9em;left:50%;margin:-7.5em;padding:3em;position:absolute;top:50%;width:9em;transform:rotateX(45deg) rotateZ(45deg);transform-style:preserve-3d;}
.cube,.cube:after,.cube:before{content:'';float:left;height:3em;position:absolute;width:3em;}
/* Top */
.cube{background-color:#05afd1;position:relative;transform:translateZ(3em);transform-style:preserve-3d;transition:.25s;box-shadow:13em 13em 1.5em rgba(0,0,0,0.1);animation:anim 1s infinite;}
.cube:after{background-color:#049dbc;transform:rotateX(-90deg) translateY(3em);transform-origin:100% 100%;}
.cube:before{background-color:#048ca7;transform:rotateY(90deg) translateX(3em);transform-origin:100% 0;}
.cube:nth-child(1){animation-delay:0.05s;}
.cube:nth-child(2){animation-delay:0.1s;}
.cube:nth-child(3){animation-delay:0.15s;}
.cube:nth-child(4){animation-delay:0.2s;}
.cube:nth-child(5){animation-delay:0.25s;}
.cube:nth-child(6){animation-delay:0.3s;}
.cube:nth-child(7){animation-delay:0.35s;}
.cube:nth-child(8){animation-delay:0.4s;}
.cube:nth-child(9){animation-delay:0.45s;}
@keyframes anim{50%{transform:translateZ(0.5em);}
}

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