*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #111b50;
}

.container{
    position: relative;    
    top: -80px;
    transform: skewY(-20deg);
    animation: animate 5s linear infinite;
}

@keyframes animate{
    0%{
        filter: hue-rotate(0deg);
    }
    100%{
        filter: hue-rotate(360deg);
    }
}

.container .cube{
    position: relative;
    z-index: 2;
}

.container .cube:nth-child(2){
    z-index: 1;
    translate: -60px -60px;
}

.container .cube:nth-child(3){
    z-index: 3;
    translate: 60px 60px;
}

.container .cube div{
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 30px;
    translate: calc(-70px*var(--x)) calc(-60px*var(--y)) ;
}

.container .cube div span{
    position: relative;
    display: inline-block;
    width: 50px;
    height: 50px;
    background: #dcdcdc;
    z-index: calc(1*var(--i));
    transition: 0.8s;
}

.container .cube div span:hover{
    transition: 0.5s;
    background: red;
    filter: drop-shadow(0 0 30px red);
    cursor:grab;
}

.container .cube div span::before{
    content: '';
    position: absolute;
    left: -40px;
    width: 40px;
    height: 100%;
    background: #fff;
    transform-origin: right;
    transform: skewY(45deg);
    transition: 0.8s;
}

.container .cube div span:hover::before{
    transition: 0.5s;
    background: red;
}

.container .cube div span::after{
    content: '';
    position: absolute;
    top: -40px;
    left: 0;
    width: 100%;
    height: 40px;
    background: #f2f2f2;
    transform-origin: bottom;
    transform: skewX(45deg);
    transition: 0.8s;
}

.container .cube div span:hover::after{
    transition: 0.5s;
    background: red;
}

footer{
    color: #dcdcdc;
    text-align: center;
    position: absolute;
    bottom: 10px;
}