some - Tags: 3d, loader */
.boxes {
  --size: 32px;
  --duration: 800ms;
  height: calc(var(--size) * 2);
  width: calc(var(--size) * 3);
  position: relative;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  margin-top: calc(var(--size) * 1.5 * -1);
  transform: rotateX(60deg) rotateZ(45deg) rotateY(0deg) translateZ(0px);
}

.boxes .box {
  width: var(--size);
  height: var(--size);
  top: 0;
  left: 0;
  position: absolute;
  transform-style: preserve-3d;
}

.boxes .box:nth-child(1) {
  tran