.loader {
  width: 175px;
  height: 80px;
  display: block;
  margin:auto;
  background-image: radial-gradient(circle 25px at 25px 25px, #FFF 100%, transparent 0), radial-gradient(circle 50px at 50px 50px, #FFF 100%, transparent 0), radial-gradient(circle 25px at 25px 25px, #FFF 100%, transparent 0), linear-gradient(#FFF 50px, transparent 0);
  background-size: 50px 50px, 100px 76px, 50px 50px, 120px 40px;
  background-position: 0px 30px, 37px 0px, 122px 30px, 25px 40px;
  background-repeat: no-repeat;
  position: relative;
  box-sizing: border-box;
}
.loader::before {
  content: '';  
  left: 60px;
  bottom: 18px;
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #555555;
  background-image: radial-gradient(circle 8px at 18px 18px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 18px 0px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 0px 18px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 36px 18px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 18px 36px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 30px 5px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 30px 5px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 30px 30px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 5px 30px, #FFF 100%, transparent 0), radial-gradient(circle 4px at 5px 5px, #FFF 100%, transparent 0);
  background-repeat: no-repeat;
  box-sizing: border-box;
  animation: rotationBack 3s linear infinite;
}
.loader::after {
  content: '';  
  left: 94px;
  bottom: 15px;
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #555555;
  background-image: radial-gradient(circle 5px at 12px 12px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 12px 0px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 0px 12px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 24px 12px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 12px 24px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 20px 3px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 20px 3px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 20px 20px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 3px 20px, #FFF 100%, transparent 0), radial-gradient(circle 2.5px at 3px 3px, #FFF 100%, transparent 0);
  background-repeat: no-repeat;
  box-sizing: border-box;
  animation: rotationBack 4s linear infinite reverse;
}

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