#contenedor3D{
    perspective: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#div1{
    width: 200px;
    height: 200px;
    /* background-color: red;
    border: 2px solid black; */
    animation: rotate 5s infinite linear;
    transform-style: preserve-3d;
}
#div1 > div{
    width: 200px;
    height: 200px;
    background-color: rgba(200,200,255,0.8);
    position: absolute;
    border: solid 2px black
}

#alto{
    transform: rotateX(90deg) translateZ(100px);
}

#delante{
    transform: rotateY(180deg) translateZ(-100px) ;
}
#debajo{
    transform: rotateX(-90deg) translateZ(100px) ;
}
#derecha{
    transform: rotateY(90deg) translateZ(100px) ;
}
#izquierda{
    transform: rotateY(90deg) translateZ(-100px) ;
}

#detras{
    transform: translateZ(-100px) ;
}

@keyframes rotate {
    from {
        transform: rotateX(0deg) rotateY(0deg);
    }
    to {
        transform: rotateX(360deg) rotateY(360deg);
    }
}