* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

nav {
    background-color: #222;
    padding: 1rem 2rem;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-right: 1.5rem;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 2rem;
}

h1 {
    margin-bottom: 1rem;
}