CSS3小球跳动Loading动画特效代码

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以下是 CSS3小球跳动Loading动画特效代码的示例演示效果:

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平台:

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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小球跳动Loading动画特效</title>
    <style>
#contain {
  width: 200px;
  height: 50px;
  position: absolute;
  top: calc(50% + 50px);
  left: calc(50% + 50px);
  opacity: 0;
  animation: fadeIn 1s 1;
  animation-fill-mode: forwards;
}

.wrap {
  animation: translateX 1000ms infinite ease-in-out alternate;
  position: absolute;
}

.ball {
  width: 50px;
  height: 50px;
  box-shadow: -6.25px -6.25px 0 rgba(0, 0, 0, 0.1) inset;
  background-color: #397BF9;
  border-radius: 50%;
  animation: translateY 500ms infinite ease-in-out alternate;
}

.wrap:after {
  content: '';
  width: 50px;
  height: 7.5px;
  background: #eee;
  position: absolute;
  bottom: 0;
  top: 70px;
  border-radius: 50%;
  animation: scale 500ms infinite ease-in-out alternate;
}

#wrap2,
#ball2,
#wrap2:after {
  animation-delay: -400ms;
}

#wrap3,
#ball3,
#wrap3:after {
  animation-delay: -800ms;
}

#wrap4,
#ball4,
#wrap4:after {
  animation-delay: -1200ms;
}

#wrap5,
#ball5,
#wrap5:after {
  animation-delay: -1600ms;
}

#ball2 {
  background-color: #F4B400;
}

#ball3 {
  background-color: #EEEEEE;
}

#ball4 {
  background-color: #00A656;
}

#ball5 {
  background-color: #E3746B;
}

@keyframes translateX {
  100% {
    transform: translateX(-150px);
  }
}
@keyframes translateY {
  100% {
    transform: translateY(-187.5px);
  }
}
@keyframes scale {
  100% {
    transform: scale(0.85);
  }
}
@keyframes fadeIn {
  100% {
    opacity: 1;
  }
}

</style>

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

    <script src="js/modernizr.js"></script>

</head>

<body>
  <div id="contain">
  <div class='wrap' id='wrap1'>
    <div class='ball' id='ball1'></div>
  </div>

  <div class='wrap' id='wrap2'>
    <div class='ball' id='ball2'></div>
  </div>

  <div class='wrap' id='wrap3'>
    <div class='ball' id='ball3'></div>
  </div>

  <div class='wrap' id='wrap4'>
    <div class='ball' id='ball4'></div>
  </div>
 <div class='wrap' id='wrap5'>
    <div class='ball' id='ball5'></div>
  </div>

</div>
  <script src='js/jquery.js'></script>
</body>
</html>

JS代码(modernizr.js):

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CSS代码(style.css):

#contain{width:200px;height:50px;position:absolute;top:calc(50% + 50px);left:calc(50% + 50px);opacity:0;animation:fadeIn 1s 1;animation-fill-mode:forwards;}
.wrap{animation:translateX 1000ms infinite ease-in-out alternate;position:absolute;}
.ball{width:50px;height:50px;box-shadow:-6.25px -6.25px 0 rgba(0,0,0,0.1) inset;background-color:#397BF9;border-radius:50%;animation:translateY 500ms infinite ease-in-out alternate;}
.wrap:after{content:'';width:50px;height:7.5px;background:#eee;position:absolute;bottom:0;top:70px;border-radius:50%;animation:scale 500ms infinite ease-in-out alternate;}
#wrap2,#ball2,#wrap2:after{animation-delay:-400ms;}
#wrap3,#ball3,#wrap3:after{animation-delay:-800ms;}
#wrap4,#ball4,#wrap4:after{animation-delay:-1200ms;}
#wrap5,#ball5,#wrap5:after{animation-delay:-1600ms;}
#ball2{background-color:#F4B400;}
#ball3{background-color:#EEEEEE;}
#ball4{background-color:#00A656;}
#ball5{background-color:#E3746B;}
@keyframes translateX{100%{transform:translateX(-150px);}
}
@keyframes translateY{100%{transform:translateY(-187.5px);}
}
@keyframes scale{100%{transform:scale(0.85);}
}
@keyframes fadeIn{100%{opacity:1;}
}

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