#modal-popup-wrapper {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    display: flex; justify-content: center; align-items: center;
}

.modal-popup {
    background: #fff;
    padding: 1em;
    border-radius: 8px;
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 0 15px #000;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-popup-inner {
    width: 100%;
    height: 100%;
    overflow: auto; /* скрол */
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
}

.modal-popup-content {
    display: block;
    position: relative;
}

.modal-popup img {
   min-width: 100%;
   max-width: inherit!important;
}

.modal-popup-close {
    position: absolute;
    top: 0; right: 0;
    cursor: pointer;
    font-size: 36px;
    font-weight: bold;
    z-index: 9999;
    background: white;
    /*border: 3px solid black;*/
    /*border-radius: 50%;*/
    line-height: 26px;
    width: 26px;
    padding: 0;
    text-align: center;
}

.modal-popup-hidden {
    display: none!important;
}