#scavenger-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    max-width: 400px;
    width: 100%;
    text-align: center;
}

#scavenger-popup .popup-content {
    margin-bottom: 20px;
}

#scavenger-popup #close-popup {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #FFFFFF; /* White background */
    color: #000000; /* Black "X" */
    padding: 0 5px; /* Some padding */
    font-size: 20px;
    line-height: 20px;
    cursor: pointer;
    border: none;
    text-align: center;
    font-weight: bold;
}

#scavenger-popup #close-popup:hover {
    color: #333333; /* Darker color on hover for better user interaction */
}