body {
    background-color: #282c34;
    overflow: hidden;
    height: 100vh;
    margin: 0;
}

.snowflake {
    position: absolute;
    top: -10%;
    color: white;
    font-size: 24px;
    animation: fall linear infinite;
}

@keyframes fall {
    to {
        transform: translateY(100vh);
    }
}