.popup {
    display: none;
}

body.popup-open {
    overflow: hidden;
}

body.popup-open .page-container {
    width: 100%;
    height: 100%;
    position: fixed;
    background: rgba(0,0,0, 0.6);
}

body.popup-open .popup {
    display: block;
    position: fixed;
    top: 100px;
    width: 80%;
    left: 10%;
    max-height: calc(100vh - 100px);
    z-index: 1;
    overflow: scroll;
    scroll-behavior: smooth;
    padding-bottom: 100px;
    background: #f2edf3;
}