.popup {
    position: fixed;
    max-width: 1200px;
    min-width: 250px;
    height: auto;
    background-color: white;
    border-radius: 8px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: #0000002e 0px 0px 11px;
    padding:10px;
    opacity:0;
    transition: opacity ease 0.5s;
    display: none
}
.popup img {
    max-width: 80vw;
    max-height: 80vh;
}
.popup-visible {
    display: block;
    opacity: 1;
    transition: opacity ease 0.5s
}
.close-btn {
    position:absolute;
    right: -12px;
    top: -20px;
    cursor: pointer;
    background-color: white;
    padding: 2px;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}