body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f9;
    color: #333;
}

header {
    background: #0055ff;
    color: white;
    text-align: center;
    padding: 1.5rem;
}

main {
    max-width: 800px;
    margin: auto;
    padding: 2rem;
}

h2 {
    color: #0055ff;
}

button {
    background: #ff6600;
    color: white;
    border: none;
    padding: 10px 15px;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background: #cc5200;
}

footer {
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
    background: #ddd;
}