:root {
  --w: 300px;
  --transZ: 150px;
}

body {
  margin: 0;
  padding: 0;
  height: 100vh;
  font-family: cursive;
  background: linear-gradient(
    135deg,
    #ff9a9e,
    #fad0c4 20%,
    #fbc2eb 40%,
    #a18cd1 60%,
    #8ec5fc 80%,
    #a6c1ee 100%
  );
}

.container {
  display: flex;
  align-items: center;
  height: 100vh;
  margin: 0 auto;
  max-width: 1000px;
  justify-content: center;
}

.cube-container .cube {
  width: var(--w);
  height: var(--w);
  transform-style: preserve-3d;
}

.cube-container .cube-face {
  width: var(--w);
  height: var(--w);
  position: absolute;
  font-size: 30px;
  color: #000;
  font-weight: bold;
  text-transform: uppercase;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cube-container .front {
  background: #8e44ad;
  transform: translateZ(var(--transZ));
}

.cube-container .back {
  background: #e67e22;
  transform: rotateY(180deg) translateZ(var(--transZ));
}

.cube-container .left {
  background: #bdc3c7;
  transform: rotateY(-90deg) translateZ(var(--transZ));
}

.cube-container .right {
  background: #1abc9c;
  transform: rotateY(90deg) translateZ(var(--transZ));
}

.cube-container .top {
  background: #3498db;
  transform: rotateX(90deg) translateZ(var(--transZ));
}

.cube-container .bottom {
  background: #2c3e50;
  transform: rotateX(-90deg) translateZ(var(--transZ));
}