/**
 * Document defaults
 */
body {
  text-align: center;
  background-color: #eee;
  
  overflow: hidden;
}

* {
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}


/* The loader container */
.loader {
  position: absolute;
  top: 50%;
  left: 50%;
  
  width: 200px;
  height: 200px;
  
  margin-top: -100px;
  margin-left: -100px;
  
  perspective: 400px;
  transform-type: preserve-3d;
 }


/* The dot */
.dot {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
  
  width: 40px;
  height: 40px;
  
  margin-top: -20px;
  margin-left: -80px;
  
  transform-type: preserve-3d;
  transform-origin: 80px 50%;
  transform: rotateY(0);
  
  background-color: #1e3f57;
  
  animation: dot1 2000ms cubic-bezier(.56,.09,.89,.69) infinite;
}

.dot:nth-child(2) {
  z-index: 9;
  animation-delay: 150ms;
}

.dot:nth-child(3) {
  z-index: 8;
  animation-delay: 300ms;
}

.dot:nth-child(4) {
  z-index: 7;
  animation-delay: 450ms;
}

.dot:nth-child(5) {
  z-index: 6;
  animation-delay: 600ms;
}

.dot:nth-child(6) {
  z-index: 5;
  animation-delay: 750ms;
}

.dot:nth-child(7) {
  z-index: 4;
  animation-delay: 900ms;
}

.dot:nth-child(8) {
  z-index: 3;
  animation-delay: 1050ms;
}

@keyframes dot1 {
  0% {
    transform: rotateY(0) rotateZ(0) rotateX(0);
    background-color: #1e3f57;
  }
  45% {
    transform: rotateZ(180deg) rotateY(360deg) rotateX(90deg);
    background-color: #6bb2cd;
    animation-timing-function: cubic-bezier(.15,.62,.72,.98);
  }
  90%, 100% {
    transform: rotateY(0) rotateZ(360deg) rotateX(180deg);
    background-color: #1e3f57;
  }
}