.layers
  p
  p
  p
  p
  p
  p
  p
  p
  p
  p
  p

body {
  background: #efefef;
}
.layers {
  position: fixed;
  left: 40vw;
  top: 45vh;
  transform: scaleY(0.5) scaleX(1.5);
    animation: scale ease-in-out 10s infinite;
}

  @keyframes scale {
    50% {
      transform: rotateX(45deg) rotateZ(45deg) translate3d(0vh,0vh,15vh) scale(1);
    }
  }

p {
  position: absolute;
  width: 10vw;
  height: 10vw;
  background: rgba(255,0,0,0.25);
}

@for $i from -6 to 6 {
  p:nth-child(#{$i+6}) {
    transform: rotateX(45deg) rotateZ(45deg) translate3d(0vh,0vh,$i*17vh);
    filter:  hue-rotate(($i+6)*36deg);
    animation: slide#{$i} ease-in-out 10s infinite;
  }
  @keyframes slide#{$i} {
    50% {
      transform: rotateX(45deg) rotateZ(45deg) translate3d(0vh,0vh,-$i*17vh) scale(0.5 + 0.05*$i);
    }
  }
}