body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header, footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}

main {
    padding: 1rem;
    max-width: 800px;
    margin: auto;
    text-align: center;
}

button {
    background-color: #333;
    color: white;
    border: none;
    padding: 1rem 2rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #555;
}