body {
    position: relative;
    margin: 0;
    padding: 0;
}

.flag {
    position: absolute;
    width: 50px;
    height: 40px;
    background-size: cover;
    opacity: 1;
    animation: flyUp 2s forwards ease-in-out;
    z-index: 9999;
    pointer-events: none;
}

@keyframes flyUp {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(-200px);
        opacity: 0;
    }
}