@-webkit-keyframes rotate-animation {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
@keyframes rotate-animation {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
body {
  background: #222;
}

.circle-loader {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8em;
  height: 8em;
  margin-left: -4em;
  margin-top: -4em;
}

.circle {
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -0.25em;
  -webkit-transform-origin: 0.25em 4em;
          transform-origin: 0.25em 4em;
  -webkit-animation: rotate-animation 2.5s infinite;
          animation: rotate-animation 2.5s infinite;
  width: 0.5em;
  height: 0.5em;
  border-radius: 0.25em;
  background-color: #CCFFCC;
  box-shadow: 0 0 0.5em rgba(255, 255, 255, 0.5);
}

.circle-0 {
  -webkit-animation-timing-function: cubic-bezier(0, 0, 1, 1);
          animation-timing-function: cubic-bezier(0, 0, 1, 1);
}

.circle-1 {
  -webkit-animation-timing-function: cubic-bezier(0.1625, 0, 0.8375, 1);
          animation-timing-function: cubic-bezier(0.1625, 0, 0.8375, 1);
}

.circle-2 {
  -webkit-animation-timing-function: cubic-bezier(0.325, 0, 0.675, 1);
          animation-timing-function: cubic-bezier(0.325, 0, 0.675, 1);
}

.circle-3 {
  -webkit-animation-timing-function: cubic-bezier(0.4875, 0, 0.5125, 1);
          animation-timing-function: cubic-bezier(0.4875, 0, 0.5125, 1);
}

.circle-4 {
  -webkit-animation-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
          animation-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
}