body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden; /* Keep this to prevent scrollbars if GIF is slightly off */
    background-color: #000; /* Optional: background for before GIF loads */
    display: flex; /* For centering the button */
    justify-content: center; /* For centering the button */
    align-items: center; /* For centering the button */
}

#enter-button {
    padding: 15px 30px;
    font-size: 24px;
    cursor: pointer;
    background-color: #333;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 5px;
}

#bg-gif {
    display: none; /* Initially hidden */
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    z-index: 10; /* Ensure it's on top when visible */
}

#bg-gif.active {
    display: block; /* Shown when active */
}