nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    flex-wrap: wrap;
    text-align: center;
    font-variant: small-caps;
    font-weight: bold;
}

section {
    text-align: justify;
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    padding: 0.5em 0;
}

a:hover {
    text-decoration: underline;
}

h1 {

    text-align: center;
    border-bottom: var(--color-quiet) 1px solid;
}

h2 {
    color: var(--color-secondary);
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
}

h3 {
    font-size: inherit;
    font-weight: bold;
    margin-top: 1.8rem;
}

ul.references {
    padding-left: 0;
    list-style: none;
}

@media (prefers-color-scheme: dark) {
    h1 {
        border-bottom-color: #aaa9a9;
    }
}