<div class="circles">
  <div></div>
  <div></div>
  <div></div>
</div>

@import "compass/css3";

* {
  margin: 0;
  padding: 0;
  border: 0;
}

html, body {
  min-height: 100%;
}

body {
  background: radial-gradient(#898989,#121212);
}

.circles {
  position: absolute;
  width: 60px;
  height: 60px;
  margin: auto;
  top: 0px;
  bottom: 0px;
  left: 0px;
  right: 0px;
  div {
    border-radius: 100%;
    border: 5px solid aqua;
    box-shadow: 0px 0px 20px aquamarine, inset 0px 0px 20px aquamarine;
    height: 50px;
    width: 50px;
    position: absolute;
    top: 0px;
    left: 0px;
    &:nth-child(1) {
      transform: rotateY(0deg);
      animation: spinY 2s infinite linear;
    }
    &:nth-child(2) {
      transform: rotateX(0deg);
      animation: spinX 2s infinite linear;
    }
    &:nth-child(3) {
      border: 5px dashed aqua;
      transform: rotateZ(0deg);
      animation: spinZ 1s infinite ease-in-out;
    }
  }
}

@keyframes spinY {
  to {
    transform: rotateY(360deg);
  }
}

@keyframes spinX {
  to {
    transform: rotateX(360deg);
  }
}

@keyframes spinZ {
  to {
    transform: rotateZ(180deg);
  }
}

// Webkit only atm...