:root{
    --size: 150px;
    --all-cube-rotateX: 65deg;
    --all-cube-rotateY: 20deg;
    --all-cube-rotateZ: 45deg;
}

.cubeWrapper{
    padding: 0 50px;
    height: 300px;
    display: flex;
    align-items: center;
}

.cube{
    width: var(--size);
    height: var(--size);
    transform-style: preserve-3d;
    backface-visibility: hidden;
    perspective: 1000000px;
    /*transform: rotateY(var(--all-cube-rotateY)) rotateX(var(--all-cube-rotateX)) rotateZ(var(--all-cube-rotateZ));*/

    animation-name: rotation;
    animation-duration: 2s;
    animation-iteration-count: infinite;
    animation-timing-function: cubic-bezier(.73,-0.3,0,1);
}


@keyframes rotation {
    from{
        transform: rotateX(var(--all-cube-rotateX)) rotateZ(45deg);
    }
    to{
        transform: rotateX(var(--all-cube-rotateX)) rotateZ(135deg);
    }
}


.side{
    box-sizing: border-box;
    width: var(--size);
    height: var(--size);
    position: absolute;
    /*background: linear-gradient(#e66465, #9198e5);*/

    display: flex;
    align-items: center;
    justify-content: center;

    font-family: sans-serif;
    font-weight: 900;
    font-size: 10em;

    border: 15px solid rgb(161, 236, 173);
}

.sideA{
    transform:
            translateX(calc(var(--size) / 2))
            rotateY(90deg)
            rotateZ(-90deg);
}

.sideB{
    transform:
            translateZ(calc(var(--size) / 2))
            rotateY(0deg)
;
}


.sideC{
    transform:
            translateZ(calc(var(--size) * -1 / 2))
            rotateY(0deg)
;

}

.sideD {
    transform: rotateX(90deg) translateZ(calc(var(--size) / 2)) rotateZ(180deg);
}

.sideE{
    transform:
            rotateX(-90deg)
            translateZ(calc(var(--size) / 2))
;
}

.sideF{
    transform:
            rotateY(90deg)
            translateZ(calc(var(--size) / 2 * -1))
            rotateZ(-90deg)
            rotateY(180deg)
;
}