/* Reset default styles and set up basic styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: white;
    color: black;
    text-align: center;
}

header {
    background-color: #333;
    color: white;
}

nav ul {
    list-style: none;
    padding: 1em;
}

nav ul li {
    display: inline;
    margin: 0 1em;
}

nav a {
    text-decoration: none;
    color: white;
    font-weight: bold;
}

main {
    padding: 2em;
}