#popupBanner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
}

#popupContent {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#popupContent {
    position: relative;
    display: inline-block;
}

    #popupContent img {
        max-width: 100%;
        max-height: 100%;
    }
/*
#closeButton {
    position: absolute;
    top: 0;
    right: 0;
    margin-right: 8px;
    margin-top: 14px;
    font-size: 60px;
    color: black;
    cursor: pointer;
    z-index: 1;
    padding: 15px;
}*/

#closeButton {
    position: absolute;
    top: 0;
    right: 0;
    margin-right: 14px;
    margin-top: 14px;
    font-size: 40px;
    color: white;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    cursor: pointer;
    z-index: 1;
    padding: 10px 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    transition: all 0.2s ease;
}

    #closeButton:hover {
        background-color: rgba(0, 0, 0, 0.8);
        transform: scale(1.05);
    }