body {
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    padding: 2rem 2rem 1rem 2rem;
}

header h1 {
    margin: 0;
}

nav {
    padding: 1rem 2rem;
}

nav a {
    margin-right: 2rem;
}

main {
    padding: 2rem;
    max-width: 800px;
}

article {
    margin-bottom: 3rem;
}

article h2,
article h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

article p {
    margin: 0.5rem 0;
}

article hr {
    margin: 2rem 0;
}

footer {
    position: fixed; 
    bottom: 0;
    right: 0;
    padding: 1rem;
    font-size: x-small;
}