.scrollup { 
    background: #fff;
    bottom: 82px;
    cursor: pointer;
    font-weight: 600;
    display: none;
    width:  50px;
    position: fixed;
    text-align: center;
    transition: background-color .15s ease-in-out;
    height: 50px;
    box-shadow: 0 2px 4px 0 #c5a4a4;
    z-index: 9;
    padding: 4px;
    line-height: 45px;
}
.scrollup:after{
    content: "\E877";
    font-family: 'Linearicons';
    text-transform: none;
    font-size: 18px;
    text-decoration: none; 
}
.scrollup:hover {  
    background: gainsboro;
    color: rgb(0, 0, 0);
}