@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@700&family=Poppins:wght@100&display=swap');

*
{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family: 'Oswald', sans-serif;
}

body{
    display:flex;
    justify-content:center;
    align-items: center;
    min-height: 100vh;
    background: #050505;
}

.cube{
    position: relative;
    width: 300px;
    height: 300px;
    transform-style: preserve-3d;
    transform:rotateX(-30deg);
    animation: animate 4s linear infinite;
}

@keyframes animate {
    0%{
        transform:rotateX(-30deg) rotateY(0deg);
    }
    100%{
        transform: rotateX(-30deg) rotateY(360deg);
    }
}

.cube div{
    position: absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    transform-style: preserve-3d;
}

.cube div span{

    position: absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background: linear-gradient(#151515, #00ec00);
    transform: rotateY(calc(90deg * var(--i))) translateZ(150px);
    display: flex;
    justify-content: center;
    align-items: center;
    transform-style: preserve-3d;
}

.cube div span h2{
    position: absolute;
    font-size: 10em;
    color: #fff;
    transform: translateZ(50px);
}

.cube div span h2:nth-child(1){
    transform: translateZ(0) translateY(20px);
    color: rgba(0,0,0,0.1);
    filter:blur(2px);
}

.top{
    position: absolute;
    top:0;
    left:0;
    width:300px;
    height:300px;
    background: #222;
    transform: rotateX(90deg) translateZ(150px);
}

.top::before{
    content:'';
    position:absolute;
    top:0;
    left:0;
    width:300px;
    height:300px;
    background: #0f0;
    transform:translateZ(-380px);
    filter:blur(20px);
    box-shadow: 0 0 120px rgba(0,255,0,0.2),
    0 0 200px rgba(0,255,0,0.4),
    0 0 300px rgba(0,255,0,0.6),
    0 0 400px rgba(0,255,0,0.8),
    0 0 500px rgba(0,255,0,1);
}