* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;  
    scroll-behavior: smooth;
}
body {
    min-height: 100vh;
    background: linear-gradient(orange,beige);
}
header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10000;
}
header .name {
    color: rgb(91, 91, 224);
    font-weight: 700;
    text-decoration: none;
    font-size: 2em;
    text-transform: uppercase;
    letter-spacing: 2px;
}
header ul {
    display: flex;
    justify-content: center;
    align-items: center;
}
header ul li {
    list-style: none;
    margin-left: 20px;
}
header ul li a {
    text-decoration: none;
    padding: 6px 15px;
    color: rgb(91, 91, 224);
    border-radius: 20px;
}
header ul li a:hover,
header ul li a.active {
    background: rgb(91, 91, 224);
    color: orange;
}
.sec {
    position: relative;
    padding: 100px;
    align-items: center;
}
body .set {
    position: absolute;
    bottom: 30px;
    width: 30px;
    height: 30px;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events:none;
}
body .set div {
    position: absolute;
    display: block;
}
body .set div:nth-child(1) {
    left: 20%;
    animation: animate 15s linear infinite;
    animation-delay: -7s;
}
body .set div:nth-child(2) {
    left: 50%;
    animation: animate 20s linear infinite;
    animation-delay: -5s;
}
body .set div:nth-child(3) {
    left: 70%;
    animation: animate 20s linear infinite;
    animation-delay: 0;
}
body .set div:nth-child(4) {
    left: 0%;
    animation: animate 15s linear infinite;
    animation-delay: -5s;
}
body .set div:nth-child(5) {
    left: 85%;
    animation: animate 18s linear infinite;
    animation-delay: -10s;
}
body .set div:nth-child(6) {
    left: 0%;
    animation: animate 12s linear infinite;
}
body .set div:nth-child(7) {
    left: 15%;
    animation: animate 14s linear infinite;
}
body .set div:nth-child(8) {
    left: 60%;
    animation: animate 15s linear infinite;
}

@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% {
        transform: translateX(-20px) rotate(180deg);
    }
    100% {
        top: -110%;
        transform: translateX(-20px) rotate(225deg);
    }
}
img {
    width: 100px;
    height: 50%;
}