:root {
    --dark-green: rgb(0, 35, 51);
    --light-green: #00ff84;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--dark-green);
}

.pyramid {
    position: absolute;
    top: 10%;
    width: 200px;
    height: 200px;
    transform-style: preserve-3d;
    animation: animate 4s linear infinite;
}

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

    100% {
        transform: rotateX(-30deg) rotateY(360deg);
    }
}

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

.pyramid div span {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(#003911, var(--light-green));
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    transform: rotateY(calc(90deg * var(--i))) translateZ(99px) rotateX(30deg);
    transform-origin: bottom;
}

.pyramid .glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--light-green);
    transform: rotateX(90deg) translateZ(-150px);
    filter: blur(20px);
    box-shadow: 0 0 500px var(--light-green);
}