div#fav_item_popup{
    font-size: 16px;
    display: none;
    width: 400px;
}
div#fav_item_popup, div#featherlight_close_box{
    margin: auto;
    text-align: center;
}

div#fav_item_popup div#fav_item_popup_msg_box{
    margin:1em;
}
div#featherlight_close_box {
    width:50px;
    cursor: pointer;
}

div#fav_item_popup_msg_box p, div#featherlight_close_box p {
    font-size: 16px;
}