body.popup {
    overflow: hidden;
}
#popup {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 44444444;
    background-color: rgba(0, 0, 0, .64);
    padding: 80px 0;
    overflow: auto;
}
body.popup #popup {
    display: block;
}

.popup-wrap {
    position: relative;
    width: 640px;
    max-width: 84%;
    padding: 40px;
    margin: 0 auto;
    background-color: #fff;
    box-shadow: 0 0 24px rgba(0, 0, 0, .24);
    text-align: left;
    text-align-last: left;
}
    .popup-wrap .popup-close {
        position: absolute;
        top: -8px;
        right: -8px;
        display: flex;
        justify-content: center;
        align-items: center;
        width: 32px;
        height: 32px;
        border-radius: 100%;
        background-color: #fff;
        color: #000;
        cursor: pointer;
        font-weight: 700;
    }
    .popup-wrap p {
        line-height: 1.75;
    }
    .popup-wrap p + p {
        margin-top: 2em;
    }
    .popup-wrap a,
    .popup-wrap a:link,
    .popup-wrap a:hover,
    .popup-wrap a:active,
    .popup-wrap a:visited,
    .popup-wrap a:focus {
        color: #513918;
        text-decoration: underline;
    }
@media (max-width: 600px) {
    #popup {
        padding: 40px 0;
    }
        .popup-wrap {
            padding: 32px;
        }
}