@iterations: 50;
.mixin-loop (@i) when (@i > 0) {
  div:nth-child(@{i}) {
    padding: (@i * 5px);
    top: (@i * -5px);
    left: (@i * -5px);
    border: 1px solid rgb((@i * 10), (@i * 1), 255);
    box-shadow: 0px 0px 6px 2px #ffffff;
    -webkit-animation: magic 3s ease infinite alternate;
    -webkit-animation-delay: (@i * 0.02s);
    animation: magic 3s ease infinite alternate;
    animation-delay: (@i * 0.02s);
  }
  .mixin-loop(@i - 1);
}
.mixin-loop(@iterations);

body {
  background-color: #45CEEF;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

div {
  position: absolute;
}

section {
  position: absolute;
  top: 50%;
  left: 50%;
}

@-webkit-keyframes magic {
  0% {
    -webkit-transform: scale(0)
  }
  50% {
    -webkit-transform: scale(1);
  }
  100% {
    -webkit-transform: scale(2.5) rotate(180deg); 
  }
}

@keyframes magic {
  0% {
    transform: scale(0) rotate(90deg);
  }
  50% {
    transform: scale(1.25) rotate(180deg);
  }
  100% {
    transform: scale(2.5) rotate(-180deg); 
  }
}

@-webkit-keyframes pulse { 0% {background-color: #45CEEF;} 25% {background-color: #000;} 50% {background-color: #FFD4DA;} 75% {background-color: #222222;} 100% {background-color: #D8CAB4;} } body { background-color: #45CEEF; -webkit-animation: pulse 10s infinite alternate; }