body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
    background-color: #fff;
    padding: 2rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

header {
    margin-bottom: 2rem;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

header nav ul li {
    display: inline;
}

header nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

main h1 {
    font-size: 3rem;
    margin: 0;
    color: #333;
}

main p {
    font