http://tobiasahlin.com/spinkit　#CSS　// source http://jsbin.com/curiwamedi

index.html

<style id="jsbin-css">
.spinner {
  margin: 100px auto;
  width: 20px;
  height: 20px;
  position: relative;
}

.container1 > div, .container2 > div, .container3 > div {
  width: 6px;
  height: 6px;
  background-color: #333;

  border-radius: 100%;
  position: absolute;
  -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
  animation: bouncedelay 1.2s infinite ease-in-out;
  /* Prevent first frame from flickering when animation starts */
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}

.spinner .spinner-container {
  position: absolute;
  width: 100%;
  height: 100%;
}

.container2 {
  -webkit-transform: rotateZ(45deg);
  transform: rotateZ(45deg);
}

.container3 {
  -webkit-transform: rotateZ(90deg);
  transform: rotateZ(90deg);
}

.circle1 { top: 0; left: 0; }
.circle2 { top: 0; right: 0; }
.circle3 { right: 0; bottom: 0; }
.circle4 { left: 0; bottom: 0; }

.container2 .circle1 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}

.container3 .circle1 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

.container1 .circle2 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}

.container2 .circle2 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}

.container3 .circle2 {
  -webkit-animation-delay: -0.7s;
  animation-delay: -0.7s;
}

.container1 .circle3 {
  -webkit-animation-delay: -0.6s;
  animation-delay: -0.6s;
}

.container2 .circle3 {
  -webkit-animation-delay: -0.5s;
  animation-delay: -0.5s;
}

.container3 .circle3 {
  -webkit-animation-delay: -0.4s;
  animation-delay: -0.4s;
}

.container1 .circle4 {
  -webkit-animation-delay: -0.3s;
  animation-delay: -0.3s;
}

.container2 .circle4 {
  -webkit-animation-delay: -0.2s;
  animation-delay: -0.2s;
}

.container3 .circle4 {
  -webkit-animation-delay: -0.1s;
  animation-delay: -0.1s;
}

@-webkit-keyframes bouncedelay {
  0%, 80%, 100% { -webkit-transform: scale(0.0) }
  40% { -webkit-transform: scale(1.0) }
}

@keyframes bouncedelay {
  0%, 80%, 100% { 
    transform: scale(0.0);
    -webkit-transform: scale(0.0);
  } 40% { 
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}
</style>
<div class="spinner">
  <div class="spinner-container container1">
    <div class="circle1"></div>
    <div class="circle2"></div>
    <div class="circle3"></div>
    <div class="circle4"></div>
  </div>
  <div class="spinner-container container2">
    <div class="circle1"></div>
    <div class="circle2"></div>
    <div class="circle3"></div>
    <div class="circle4"></div>
  </div>
  <div class="spinner-container container3">
    <div class="circle1"></div>
    <div class="circle2"></div>
    <div class="circle3"></div>
    <div class="circle4"></div>
  </div>
</div>

<script id="jsbin-source-css" type="text/css">.spinner {
  margin: 100px auto;
  width: 20px;
  height: 20px;
  position: relative;
}

.container1 > div, .container2 > div, .container3 > div {
  width: 6px;
  height: 6px;
  background-color: #333;

  border-radius: 100%;
  position: absolute;
  -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
  animation: bouncedelay 1.2s infinite ease-in-out;
  /* Prevent first frame from flickering when animation starts */
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}

.spinner .spinner-container {
  position: absolute;
  width: 100%;
  height: 100%;
}

.container2 {
  -webkit-transform: rotateZ(45deg);
  transform: rotateZ(45deg);
}

.container3 {
  -webkit-transform: rotateZ(90deg);
  transform: rotateZ(90deg);
}

.circle1 { top: 0; left: 0; }
.circle2 { top: 0; right: 0; }
.circle3 { right: 0; bottom: 0; }
.circle4 { left: 0; bottom: 0; }

.container2 .circle1 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}

.container3 .circle1 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

.container1 .circle2 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}

.container2 .circle2 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}

.container3 .circle2 {
  -webkit-animation-delay: -0.7s;
  animation-delay: -0.7s;
}

.container1 .circle3 {
  -webkit-animation-delay: -0.6s;
  animation-delay: -0.6s;
}

.container2 .circle3 {
  -webkit-animation-delay: -0.5s;
  animation-delay: -0.5s;
}

.container3 .circle3 {
  -webkit-animation-delay: -0.4s;
  animation-delay: -0.4s;
}

.container1 .circle4 {
  -webkit-animation-delay: -0.3s;
  animation-delay: -0.3s;
}

.container2 .circle4 {
  -webkit-animation-delay: -0.2s;
  animation-delay: -0.2s;
}

.container3 .circle4 {
  -webkit-animation-delay: -0.1s;
  animation-delay: -0.1s;
}

@-webkit-keyframes bouncedelay {
  0%, 80%, 100% { -webkit-transform: scale(0.0) }
  40% { -webkit-transform: scale(1.0) }
}

@keyframes bouncedelay {
  0%, 80%, 100% { 
    transform: scale(0.0);
    -webkit-transform: scale(0.0);
  } 40% { 
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}</script>

jsbin.curiwamedi.css

.spinner {
  margin: 100px auto;
  width: 20px;
  height: 20px;
  position: relative;
}

.container1 > div, .container2 > div, .container3 > div {
  width: 6px;
  height: 6px;
  background-color: #333;

  border-radius: 100%;
  position: absolute;
  -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
  animation: bouncedelay 1.2s infinite ease-in-out;
  /* Prevent first frame from flickering when animation starts */
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}

.spinner .spinner-container {
  position: absolute;
  width: 100%;
  height: 100%;
}

.container2 {
  -webkit-transform: rotateZ(45deg);
  transform: rotateZ(45deg);
}

.container3 {
  -webkit-transform: rotateZ(90deg);
  transform: rotateZ(90deg);
}

.circle1 { top: 0; left: 0; }
.circle2 { top: 0; right: 0; }
.circle3 { right: 0; bottom: 0; }
.circle4 { left: 0; bottom: 0; }

.container2 .circle1 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}

.container3 .circle1 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

.container1 .circle2 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}

.container2 .circle2 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}

.container3 .circle2 {
  -webkit-animation-delay: -0.7s;
  animation-delay: -0.7s;
}

.container1 .circle3 {
  -webkit-animation-delay: -0.6s;
  animation-delay: -0.6s;
}

.container2 .circle3 {
  -webkit-animation-delay: -0.5s;
  animation-delay: -0.5s;
}

.container3 .circle3 {
  -webkit-animation-delay: -0.4s;
  animation-delay: -0.4s;
}

.container1 .circle4 {
  -webkit-animation-delay: -0.3s;
  animation-delay: -0.3s;
}

.container2 .circle4 {
  -webkit-animation-delay: -0.2s;
  animation-delay: -0.2s;
}

.container3 .circle4 {
  -webkit-animation-delay: -0.1s;
  animation-delay: -0.1s;
}

@-webkit-keyframes bouncedelay {
  0%, 80%, 100% { -webkit-transform: scale(0.0) }
  40% { -webkit-transform: scale(1.0) }
}

@keyframes bouncedelay {
  0%, 80%, 100% { 
    transform: scale(0.0);
    -webkit-transform: scale(0.0);
  } 40% { 
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}