body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}
#intro-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: white;
    z-index: 9999;
}
#intro-logo {
    max-width: 50%;
    max-height: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}