
	<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>snow</title>
        <link href="./css/style.css" rel="stylesheet" />
    </head>
    <body>
        <script>
            function createSnow() {
                const el = document.createElement("div");
                el.classList.add("snow");
                el.style.marginLeft = randomPostion() + "px";
                document.body.appendChild(el);
            }
            function randomPostion() {
                return Math.floor(Math.random() * window.innerWidth);
            }
            for (let i = 0; i < 300; i++) {
                createSnow();
            }
        </script>
    </body>
</html>
	body {
    height: 100vh;
    
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
    overflow: hidden;
}
.snow {
    width: 10px;
    height: 10px;
    background: #fff;
    opacity: 0;
    border-radius: 50%;
    
    animation: snow 10s linear infinite;
}
.snow:nth-of-type(2n) {
    width: 7px;
    height: 7px;
    animation-duration: 7s;
    animation-delay: 1s;
}
.snow:nth-of-type(2n + 1) {
    animation-duration: 8s;
    animation-delay: 2s;
}
.snow:nth-of-type(9n) {
    animation-duration: 9s;
    animation-delay: 3s;
}
@keyframes snow {
    0% {
        
        opacity: 0;
        transform: translateY(0);
    }
    20% {
        opacity: 1;
        transform: translate(-15px, 20vh);
    }
    40% {
        opacity: 1;
        transform: translate(15px, 40vh);
    }
    60% {
        opacity: 1;
        transform: translate(-15px, 60vh);
    }
    80% {
        opacity: 1;
        transform: translate(0, 80vh);
    }
    100% {
        
        opacity: 1;
        transform: translateY(100vh);
    }
}