/* dark/light mode button stylen */
button 
{
    display: block;
    margin: 15px 10px 15px 10px;
    background-color: darkgray;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover 
{
    background-color: gray;
}