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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #222;
}

.cube {
    position: absolute;
    width: 300px;
    height: 300px;
}

.cube div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    animation: animate 6s linear infinite;
}

@keyframes animate {
    0% {
        transform: rotateX(-20deg) rotateY(360deg);
    }
    100% {
        transform: rotateX(-20deg) rotateY(0deg);
    }
}

.cube .box span {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--clr);
    transform: rotateY(calc(90deg * var(--i))) translateZ(150px);
    transform-style: preserve-3d;
}

.cube:hover .box span {
    background: transparent;
    border: 10px solid #ffa20d;
    filter: drop-shadow(0 0 20px #ffa20d);
}

.cube .box span.top {
    transform: rotateX(90deg) translateZ(150px);
}

.cube .box span.top::before {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateZ(-350px);
    background: rgba(0, 0, 0, 0.5);
    filter: blur(50px);
}


.cube2 {
    position: absolute;
    top: 50%;
    left:50%;
    width: 300px;
    height: 300px;
    transform: translate(-50%, -400px);
}

.cube2 div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    animation: animate2 6s linear infinite;
    scale: 0.5;
}

@keyframes animate2 {
    0% {
        transform: rotateX(-20deg) rotateY(0deg);
    }
    100% {
        transform: rotateX(-20deg) rotateY(360deg);
    }
}

.cube2 .box span {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--clr);
    transform: rotateY(calc(90deg * var(--i))) translateZ(150px);
    transform-style: preserve-3d;
}

.cube:hover ~ .cube2 .box span {
    background: transparent;
    border: 10px solid #fff;
    filter: drop-shadow(0 0 20px #fff);
}

.cube2 .box span.top {
    transform: rotateX(90deg) translateZ(150px);
}

.cube2 .box span.top::before {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateZ(-350px);
    background: rgba(0, 0, 0, 0.35);
    filter: blur(50px);
}