#backToTop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 16px;
    font-size: 16px;
    background-color: darkorange;
    color: white;
    border: 2px solid black;
    border-radius: 2rem;
    cursor: pointer;
    display: none;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.3);
    transition: 0.5s;
}

#backToTop:hover {
    background-color: darkblue;
    transition: 0.5s;
}