#backToTopBtn {
    display: none; 
    position: fixed; 
    bottom: 20px; 
    right: 30px; 
    z-index: 99; 
    border: none; 
    outline: none;
    background-color: #B8A99A; 
    color: #ECE4D9; 
    cursor: pointer; 
    padding: 15px; 
    border-radius: 10px; 
    font-size: 18px; 
    font-weight: bold;
}

#backToTopBtn:hover { 
    background-color: #3D3630; 
    color: #ECE4D9 
}