.scrolltop {
    display: block;
    position: fixed;
    width: 0;
    height: 0;
    bottom: 120px;
    right: 10px;
    padding: 0;
    overflow: hidden;
    outline: none;
    border: none;
    border-radius: 10px;
    cursor: hand;
    border-radius: 100% !important;
    background-color: #000;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
    -ms-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
    -moz-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
    -o-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
    transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
}
.scrolltop:hover {
    background-color: #333;
    text-decoration: none;
}
.scrolltop.reveal {
    font-size: 0.875rem;
    color: #fff;
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    line-height: 1;
}
.scrolltop::before {
    content: "\f106";
    font-family: 'FontAwesome';
    line-height: 1;
    margin-top: -8px;
}