.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 0px;
    font-weight:bold;
    text-decoration: none;
    color: #FE941C;
    background-color: rgba(235, 235, 235, 0.80);
    font-size: 12px;
    padding: 5px;
    display: none;
}

.back-to-top:hover {
    font-weight:bold;
    color: #FE941C;
    background-color: #5D5C5C;
}