.popup-window {
    display: none;
    position: fixed;
    z-index: 1100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    overflow: auto;
}

.popup-content {
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    padding: 20px;
    width: 80%;
    max-width: 800px;
}

.popup-frame {
    border-radius: 4px;
    border-style: none;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

    .close:hover,
    .close:focus {
        color: #fff;
        text-decoration: none;
        cursor: pointer;
    }