.loading-content {
  display : block;
  position: absolute;
  left    : 50%;
  top     : 50%;
  width   : 20vw;
  height  : 20vw;
  margin  : -10vw 0 0 -10vw;
}

.loading-content:after {
  content: "";
  position: absolute;
  border: 3px solid #0F0;
  left: 15px;
  right: 15px;
  top: 15px;
  bottom: 15px; 
}

.loading-content:before {
  content: "";
  position: absolute;
  border: 3px solid #00F;
  left: 5px;
  right: 5px;
  top: 5px;
  bottom: 5px;
}

.loading-content {
  border: 3px solid transparent;
  border-top-color: #4D658D;
  border-bottom-color: #4D658D;
  border-radius: 50%;
  -webkit-animation: loader 2s linear infinite;
  -moz-animation: loader 2s linear infinite;
  -o-animation: loader 2s linear infinite;
  animation: loader 2s linear infinite;
}

.loading-content:before {
  border: 3px solid transparent;
  border-top-color: #D4CC6A;
  border-bottom-color: #D4CC6A;
  border-radius: 50%;
  -webkit-animation: loader 3s linear infinite;
    -moz-animation: loader 2s linear infinite;
  -o-animation: loader 2s linear infinite;
  animation: loader 3s linear infinite;
}

.loading-content:after {
  border: 3px solid transparent;
  border-top-color: #84417C;
  border-bottom-color: #84417C;
  border-radius: 50%;
  -webkit-animation: loader 1.5s linear infinite;
  animation: loader 1.5s linear infinite;
    -moz-animation: loader 2s linear infinite;
  -o-animation: loader 2s linear infinite;
}

@-webkit-keyframes loaders {
  0% {
    -webkit-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes loader {
  0% {
    -webkit-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}