.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.popup-container {
    position: relative;
    display: inline-block;
}

.popup-img {
    max-width: 90vw;
    max-height: 90vh;
    padding: 40px 10px;
}

.popup-open-btn {
    cursor: pointer;
}

.popup-close-btn {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 3rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    z-index: 2;
}