div#scroll2Top a {
    display: none;
    position: fixed;
    bottom: 100px;
    right: 100px;
    -moz-opacity: 1;
    -webkit-opacity: 1;
    opacity: 0;
    z-index: 5020;
}

div#scroll2Top a.scroll2Top_oldest_versions:after {
    font-family: "FontAwesome";
    font-size: 50px;
    position: absolute;
    content: "\f139";
}

div#scroll2Top a:hover {
    opacity: 0.9;
}

div#scroll2Top.ps_17 a {
    bottom: 5rem;
}

div#scroll2Top.ps_17 a i {
    font-size: 2rem;
    color: white;
    display: inline;
    border-radius: 50%;
    padding: 1rem
}

.active_scroll_to_top { 
    opacity: 0;
 }