* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    color-scheme: dark;
    text-align: center;
}

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

h1 {
    font-size: 2rem;
    margin: 1rem 0;
}

a {
    text-decoration: none;
    margin: 0 0.5rem;
    font-size: 1.5rem;
    color: white;
}