.cube-popup-content {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 100px;
    height: 100px;
    z-index: 99;
}

#scene {
    width: 100%;
    height: 100%;
    perspective: 800px;
    cursor: grab;
}

.face {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 15px;
    backface-visibility: hidden;
    line-height: 100%;
    border-radius: 8%;
    border: 2px solid white;
}

.face a img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8%;
}

/* Face transforms */
.face:nth-child(1) {
    transform: rotateY(0deg) translateZ(50px);
}

.face:nth-child(2) {
    transform: rotateY(180deg) translateZ(50px);
}

.face:nth-child(3) {
    transform: rotateY(90deg) translateZ(50px);
}

.face:nth-child(4) {
    transform: rotateY(-90deg) translateZ(50px);
}

.face:nth-child(5) {
    transform: rotateX(90deg) translateZ(50px);
}

.face:nth-child(6) {
    transform: rotateX(-90deg) translateZ(50px);
}

@keyframes smoothCubeRotation {
    0% {
        transform: rotateX(0deg);
    }

    9% {
        transform: rotateX(-90deg);
    }

    18% {
        transform: rotateX(0deg);
    }

    27% {
        transform: rotateX(90deg);
    }

    36% {
        transform: rotateX(90deg);
    }

    45% {
        transform: rotateX(0deg);
    }

    54% {
        transform: rotateY(90deg);
    }

    63% {
        transform: rotateY(180deg);
    }

    72% {
        transform: rotateY(90deg);
    }

    81% {
        transform: rotateX(0deg);
    }

    90% {
        transform: rotateY(-90deg);
    }

    95% {
        transform: rotateY(-90deg);
    }

    100% {
        transform: rotateX(0deg);
    }
}

.cube {
    width: 100px;
    height: 100px;
    position: relative;
    transform-style: preserve-3d;
    animation: smoothCubeRotation 18s ease-in-out 2s infinite;
}

.face:hover {
    pointer-events: all;
}

.face:hover~.cube,
.cube:hover {
    animation-play-state: paused;
}