.loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  perspective: 800px;
}

.loader-cube {
  width: 100px;
  height: 100px;
  position: relative;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  animation: rotate 4s infinite linear;
}

.loader-cube:before,
.loader-cube:after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: transparent;
}

.loader-cube:before {
  transform: rotateX(90deg) translateZ(50px);
}

.loader-cube:after {
  transform: rotateY(90deg) translateZ(50px);
}

.loader-cube .face {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgb(252, 248, 248);
  opacity: 0.8;
  border: 2px solid rgb(252, 250, 250);
}

.loader-cube .face:nth-child(1) {
  transform: rotateY(0deg) translateZ(50px);
  background-color: #e74c3c;
}

.loader-cube .face:nth-child(2) {
  transform: rotateX(90deg) translateZ(50px);
  background-color: #3498db;
}

.loader-cube .face:nth-child(3) {
  transform: rotateY(180deg) translateZ(50px);
  background-color: #2ecc71;
}

.loader-cube .face:nth-child(4) {
  transform: rotateX(-90deg) translateZ(50px);
  background-color: #f1c40f;
}

.loader-cube .face:nth-child(5) {
  transform: rotateY(90deg) translateZ(50px);
  background-color: #9b59b6;
}

.loader-cube .face:nth-child(6) {
  transform: rotateY(0deg) translateZ(-50px);
  background-color: #1abc9c;
}

@keyframes rotate {
  0% {
    transform: rotateY(0deg) rotateX(0deg);
  }

  100% {
    transform: rotateY(1turn) rotateX(1turn);
  }
}