body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.button-container {
    margin-top: 20px;
}

.nav-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    text-decoration: none;
    font-size: 18px;
    margin: 5px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.nav-button:hover {
    background-color: #45a049;
}