/* style.css */

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

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

header