body {
    font-family: Arial, sans-serif;
    margin: 40px;
    max-width: 900px;
}

nav {
    margin-top: 20px;
    margin-bottom: 40px;
}

nav a {
    margin-right: 20px;
    text-decoration: none;
    color: black;
}

section {
    margin-bottom: 40px;
}

article {
    border-top: 1px solid #ddd;
    padding-top: 16px;
    margin-top: 24px;
}

article h3 {
    margin-bottom: 8px;
}

article p {
    line-height: 1.5;
}

a {
    color: black;
    text-decoration: underline;
}

a:hover {
    text-decoration-thickness: 2px;
}