div#velowandern div#velowandern {
    width:700px;
    left:0;
    right:0;
    top:30px;
    position:absolute;
    margin-right:auto;
    margin-left:auto;
    padding:30px;
    text-align:left;
    background-color:rgba(255,255,255,.75);
    z-index: 499;
}
div.popup_frame {
    width:100%;
    height:100vh;
    top:20vh;
    position:absolute;
    display:block;
    z-index:100;
    display: flex;
    justify-content: center;
    align-items: center;
}
div.popup_frame div.popup_inside div#velowandern {
    text-align:center;
}
div.popup_frame div.popup_inside div#velowandern div#velowandern {
    width:40vw;
    margin-right:auto;
    margin-left:auto;
    padding:60px;
    text-align:center;
    background-color:#81a196;
    color:#fff;
}
div.popup_frame div.popup_inside div#velowandern div#velowandern a {
    text-decoration:underline;
    color:#fff;
}
div#velowandern p.buttoncenter {
    width:170px;
    margin:auto;
}