.ScrollTo
{
    .to-top,
    .to-bottom{
        width: 40px;
        height:40px;
        border-radius:50%;
        border: 1px solid #dadce0;
    }
    .to-top:hover,
    .to-bottom:hover{
        cursor: pointer;
    }
    .arrow{
        text-align:center;
        line-height:40px;
    }
}