body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    color: #333;
    text-align: center;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}
