style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;400&display=swap');

* {
    margin: 0;
    padding: 0;
    user-select: none;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

section {
    display: flex;
    position: relative;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
    height: 100vh;
    background: radial-gradient(rgb(18, 222, 75), rgb(0, 0, 0));
    overflow: hidden;
}

section h2 {
    color: #fff;
    font-size: 8em;
    text-transform: capitalize;
}

section .set {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

section .set div {
    position: absolute;
    display: block;   
}

section .set div:nth-child(1) {
    left: 20%;
    animation: animate 15s linear infinite;
    animation-delay: -7s;
}

section .set div:nth-child(2) {
    left: 50%;
    animation: animate 20s linear infinite;
    animation-delay: -5s;
}

section .set div:nth-child(3) {
    left: 70%;
    animation: animate 20s linear infinite;
    animation-delay: 0s;
}

section .set div:nth-child(4) {
    left: 0%;
    animation: animate 15s linear infinite;
    animation-delay: -5s;
}

section .set div:nth-child(5) {
    left: 85%;
    animation: animate 18s linear infinite;
    animation-delay: -10s;
}

section .set div:nth-child(6) {
    left: 0%;
    animation: animate 12s linear infinite;
}

section .set div:nth-child(7) {
    left: 15%;
    animation: animate 14s linear infinite;
}

section .set div:nth-child(8) {
    left: 85%;
    animation: animate 18s linear infinite;
    animation-delay: -10s;
}

.set2 {
    transform: scale(2) rotateY(180deg);
    filter: blur(2px);
}

.set3 {
    transform: scale(0.8) rotateX(180deg);
    filter: blur(4px);
}

@keyframes animate {
    0% {
        opacity: 0;
        top: -10%;
        transform: translateX(20px) rotate(0deg);
    }
    10% {
        opacity: 1;
    }
    20% {
        transform: translateX(-20px) rotate(45deg);
    }
    40% {
        transform: translateX(-20px) rotate(90deg);
    }
    60% {
        transform: translateX(20px) rotate(180deg);
    }
    80% {
        top: 110%;
        transform: translateX(-20px) rotate(225deg);
    }
}

@media screen and (min-width: 300px) and (max-width: 800px) {
    section h2 {
        font-size: 3.8em;
    }

    section .set div img {
        width: 150px;
        height: 150px;
    }
}