body, html {
  margin: 0;
  height: 80vh;
  display: flex;
  justify-content: center;
  align-items: center;
  place-items: center;
  background-color: transparent;
  padding: 20px;
}

.case {
  --speed: 15s;
  --kubik-size: 200px;
  position: absolute;
  width: var(--kubik-size);
  height: var(--kubik-size);
  perspective: calc(var(--kubik-size) * 2.5);
}

.case--big {
  --kubik-size: 280px;
}

.kubik {
  position: relative;
  width: inherit;
  height: inherit;
  transform-style: preserve-3d;
}

.kubik--animated {
  animation: turn var(--speed) linear infinite;
}

.kubik--cornered .kubik__wall {
  background: radial-gradient(circle, transparent 80%, #3FFEFD 80%);
}

.kubik--bordered .kubik__wall {
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.kubik--blurry .kubik__wall {
  -webkit-backdrop-filter: blur(calc(var(--kubik-size) / 8));
          backdrop-filter: blur(calc(var(--kubik-size) / 8));
}

.kubik__wall {
  position: absolute;
  width: inherit;
  height: inherit;
}

.kubik__wall--front {
  transform: translateZ(calc(var(--kubik-size) / 2));
}

.kubik__wall--top {
  transform: translateY(calc(var(--kubik-size) / 2)) rotateX(90deg);
}

.kubik__wall--right {
  transform: translateX(calc(var(--kubik-size) / 2)) rotateY(90deg);
}

.kubik__wall--bottom {
  transform: translateY(calc(var(--kubik-size) / -2)) rotateX(90deg);
}

.kubik__wall--left {
  transform: translateX(calc(var(--kubik-size) / -2)) rotateY(-90deg);
}

.kubik__wall--back {
  transform: translateZ(calc(var(--kubik-size) / -2));
}

@keyframes turn {
  0% {
    transform: rotate3d(0, 0, 0, 0);
  }
  100% {
    transform: rotate3d(1, 1, 1, 360deg);
  }
}/*# sourceMappingURL=block.css.map */