.page-scroll-top {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 40px;
}

.page-scroll-top:before {
    content: '';
    width: 100%;
    height: 0;
    border-bottom: 2px solid #E7EAF1;
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -1px;
}

.page-scroll-top__link {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    position: relative;
    background: #ffffff;
    color: #9797B2;
    text-transform: uppercase;
    font-weight: 600;
    line-height: 1;
    font-size: 12px;
    padding: 4px 20px;
    min-height: 28px;
    border-radius: 6px;
    -webkit-transform: skewX(-10deg);
    -ms-transform: skewX(-10deg);
    transform: skewX(-10deg);
}

.page-scroll-top__link .bt-icon {
    width: 20px;
    height: 20px;
    border-radius: 100%;
    background: #F6F7F9;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    margin-left: 8px;
    -webkit-transform: skewX(10deg) rotate(-90deg);
    -ms-transform: skewX(10deg) rotate(-90deg);
    transform: skewX(10deg) rotate(-90deg);
    -webkit-transition: background-color .2s;
    transition: background-color .2s;
}

.page-scroll-top__link .bt-icon svg {
    fill: #9797B2;
    -webkit-transition: fill .2s;
    transition: fill .2s;
}

@media screen and (min-width: 992px) { 
    .page-scroll-top__link:hover, .page-scroll-top__link:focus {
        color: #9797B2;
    }

    .page-scroll-top__link:hover .bt-icon, .page-scroll-top__link:focus .bt-icon {
        background: #9797B2;
    }

    .page-scroll-top__link:hover .bt-icon svg, .page-scroll-top__link:focus .bt-icon svg {
        fill: #ffffff;
    }
}