#preloader {
  display:none;
  position: fixed;
  left: 50%;
  top: 50%;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  z-index: 9999;
}

#preloader #preloader-inner {
  display: block;
  position: relative;
  left: 50%;
  top: 50%;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #3498db;
  animation: spin 2s linear infinite
}

#preloader #preloader-inner:before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #e74c3c;
  animation: spin 3s linear infinite
}

#preloader #preloader-inner:after {
  content: "";
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #f9c922;
  animation: spin 1.5s linear infinite
}
@keyframes 
spin { 0% {
transform:rotate(0deg)
}

to { transform: rotate(1turn) }
}