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

body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(32, 31, 31);
}

.container {
  position: relative;
  margin-top: -130px;
  transform: skewY(-20deg);
  animation: colorChange 5s linear infinite;
}

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

.container .cube {
  z-index: 2;
  position: relative;
}

.container .cube:nth-child(2) {
  translate: -60px -60px;
  z-index: 1;
}

.container .cube:nth-child(3) {
  translate: 60px 60px;
  z-index: 3;
}

.container .cube .cube-box {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 30px;
  translate: calc(-70px * var(--x)) calc(-60px * var(--y));
}

.container .cube .cube-box span {
  position: relative;
  height: 50px;
  width: 50px;
  background: white;
  display: inline-block;
  z-index: var(--i);
  transition: 0.5s;
}

.container .cube .cube-box span:hover {
  background-color: aqua;
  filter: drop-shadow(10px 10px 20px aqua);
  transition: 0s;
}

.container .cube .cube-box span::before {
  position: absolute;
  content: "";
  height: 100%;
  width: 40px;
  left: -40px;
  background: rgb(237, 234, 234);
  transform: skewY(45deg);
  transform-origin: right;
  transition: 0.5s;
}

.container .cube .cube-box span:hover:before {
  background-color: rgb(93, 219, 219);
  filter: drop-shadow(10px 10px 20px rgb(93, 219, 219));
  transition: 0s;
}

.container .cube .cube-box span::after {
  position: absolute;
  content: "";
  height: 40px;
  width: 100%;
  top: -40px;
  left: 0;
  background: rgb(246, 240, 240);
  transform: skewX(45deg);
  transform-origin: bottom;
  transition: 0.5s;
}

.container .cube .cube-box span:hover:after {
  background-color: aqua;
  filter: drop-shadow(10px 10px 20px aqua);
  transition: 0s;
}

@media screen and (max-width: 600px) {
  .container {
    transform: skewY(-20deg) scale(0.7);
  }
}