nav {
    display: flex;
    justify-content: center;
    gap: 2em;
}

html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: sans-serif;
    background-color: #222;
}

body {
    display: flex;
    flex-direction: column;
    color: #888;
    font-weight: lighter;
    max-width: 35em;
    margin: 0 auto;
    padding: 1em;
}

p {
    line-height: 1.25;
}

h1 {
    font-weight: inherit;
    color: #fff;
    text-align: center;
}

h2 {
    font-weight: inherit;
    color: #bbb;
}

a {
    text-decoration: inherit;
    color: #bbb;
}

a:hover {
    color: #fff;
}

ul {
    display: flex;
    flex-direction: column;
    gap: 0.5em;
    margin: 0;
}

summary {
    cursor: pointer;
}

summary:hover {
    color: #fff;
}

th {
    text-align: left;
}

summary {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

p {
    margin: 0.5em;
}