/* Reset some default styles */
body, ul {
    margin: 0;
    padding: 0;
}

/* Global styles */
body {
    font-family: Arial, sans-serif;
}

nav {
    background-color: #f1f1f1;
    padding: 10px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

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

nav ul li a {
    text-decoration: none;
    color: #333;
    padding: 5px 10px;
}

h1 {
    text-align: center;
    margin-top: 30px;
}

/* Responsive styles */
@media screen and (max-width: 600px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 5px 0;
    }
}