* {
  margin: 0;
  padding: 0;
  box-sizing: border-box; }

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh; }

@keyframes animate {
  0% {
    filter: hue-rotate(0deg); }
  100% {
    filter: hue-rotate(360deg); } }

.container {
  position: relative;
  top: -80px;
  transform: skewY(-20deg);
  animation: animate 5s linear infinite; }
  .container .cube {
    position: relative;
    z-index: 2; }
    .container .cube:nth-child(2) {
      z-index: 1;
      translate: -60px -60px; }
    .container .cube:nth-child(3) {
      z-index: 3;
      translate: 60px 60px; }
    .container .cube div {
      position: absolute;
      display: flex;
      flex-direction: column;
      gap: 30px;
      translate: calc(-70px * var(--x)) calc(-60px * var(--y)); }
      .container .cube div span {
        position: relative;
        display: inline-block;
        width: 50px;
        height: 50px;
        background: #dcdcdc;
        z-index: calc(1 * var(--i));
        transition: 1.5s; }
        .container .cube div span:hover {
          transition: 0s;
          background: #ef4149;
          filter: drop-shadow(0 0 30px #ef4149); }
          .container .cube div span:hover:before, .container .cube div span:hover:after {
            transition: 0s;
            background: #ef4149; }
        .container .cube div span:before {
          content: "";
          position: absolute;
          left: -40px;
          width: 40px;
          height: 100%;
          background: #fff;
          transform-origin: right;
          transform: skewY(45deg);
          transition: 1.5s; }
        .container .cube div span:after {
          content: "";
          position: absolute;
          top: -40px;
          left: 0px;
          width: 100%;
          height: 40px;
          background: #f2f2f2;
          transform-origin: bottom;
          transform: skewX(45deg);
          transition: 1.5s; }