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

h1 {
    text-align: center;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    text-decoration: none;
    color: #0056b3;
}

section {
    margin: 20px auto;
    width: 80%;
}

form {
    display: flex;
    justify-content: center;
}

form input[type="text"] {
    margin-right: 10px;
}