#upButton {
    display: none;
    position: fixed;
    bottom: 60px;
    right: 20px;
    color: white;
    padding: 1px 10px;
    font-size: 30px;
    border: none;
    background-color: #212529; 
    box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
    opacity: 0.6;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease, opacity 0.3s ease;
}

    #upButton:hover {
        background-color: #343a40;
    }