.btnGoUp{
    z-index: 500;
    display: none;
    padding: 5px 10px 5px 10px;
    background: #024959d0;
    font-size: 22px;
    color: white;
    cursor: pointer;
    position: fixed;
    bottom: 15px;
    right: 15px;
}

.btnGoUp:hover{
    background: #024959;
    font-weight: bolder;
}