html {
    font-family: sans-serif;
}

details {
    border: 1px solid black;
    border-radius: 4px;
    padding: 0.5em 0.5em 0;
    cursor: pointer;
    margin-top: 0.5em;
}

summary {
    font-weight: bold;
    margin: -0.5em -0.5em 0;
    padding: 0.5em;
}

details[open] {
    padding: 0.5em;
    cursor: text;
}

details[open] summary {
    cursor: pointer;
    border-bottom: 1px solid black;
    padding-bottom: 0.5em;
    padding-top: 0.5em;
}

blockquote {
    margin: 0.5em 0.5em 0.5em 0.5em;
    padding: 0.5em;
    background: lightgray;
    border-radius: 0.5em;
}

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